| 1/1 | January 19991999年1月 | Unknown | | Q1196639 |
| 1/1 | Deaths in January 1999訃報 1999年1月 | Unknown | | Q4475464 |
| 1/1 | 1998–99 Four Hills Tournament | Unknown | Place: Schattenberg Ski Jump | Q829820 |
| 1/1 | Rogovo Incident | Federal Republic of Yugoslavia | Place: Rogova | Q1364689 |
| 1/1 | Vienna New Year's Concert 1999ウィーンフィル・ニューイヤーコンサート1999 | Unknown | | Q28105657 |
| 1/1 | Administrative reform in Poland (1999) | Poland | | Q9305248 |
| 1/1 | figure skating at the 1999 Winter Universiade | Slovakia | Place: Garmin Arena | Q5448047 |
| 1/1 | 1999 Russian Figure Skating Championships | Russia | Place: Moscow | Q4509732 |
| 1/1 | 1998–1999 Japan Figure Skating ChampionshipsJapan第67回全日本フィギュアスケート選手権 | Japan | Place: Yokohama | Q4594213 |
| 1/1 | 1999 Polish Figure Skating Championships | Poland | | Q4595027 |
| 1/1 | 1999 Asian Speed Skating ChampionshipsJapan | Japan | Place: M-Wave | Q926583 |
| 1/8 | UFC 18 | United States | Place: Pontchartrain Center | Q2063291 |
| 1/8 | Ambush near Suva Reka | Unknown | | Q113630108 |
| 1/9 | 1999 Kaduna gubernatorial election | Nigeria | | Q106129703 |
| 1/9 | 1999 Katsina State gubernatorial election | Nigeria | | Q106819258 |
| 1/9 | 1999 Sokoto State gubernatorial election | Nigeria | | Q106970658 |
| 1/9 | 1999 Lagos State gubernatorial election | Nigeria | | Q107104672 |
| 1/9 | 1999 Kano State gubernatorial election | Nigeria | | Q106742146 |
| 1/9 | 1999 Kebbi State gubernatorial election | Nigeria | | Q106912749 |
| 1/9 | 1999 Zamfara State gubernatorial election | Nigeria | | Q107015992 |
| 1/9 | 1999 Taraba State gubernatorial election | Nigeria | | Q107027070 |
| 1/9 | 1999 Yobe State gubernatorial election | Nigeria | | Q107027072 |
| 1/9 | 1999 Oyo State gubernatorial election | Nigeria | | Q107104573 |
| 1/9 | 1999 Osun State gubernatorial election | Nigeria | | Q107104579 |
| 1/9 | 1999 Plateau State gubernatorial election | Nigeria | | Q107104590 |
| 1/9 | 1999 Ebonyi State gubernatorial election | Nigeria | | Q107104649 |
| 1/9 | 1999 Ekiti State gubernatorial election | Nigeria | | Q107104653 |
| 1/9 | 1999 Nasarawa State gubernatorial election | Nigeria | | Q107104655 |
| 1/9 | 1999 Kogi State gubernatorial election | Nigeria | | Q107104657 |
| 1/9 | 1999 Imo State gubernatorial election | Nigeria | | Q107104658 |
| 1/9 | 1999 Ogun State gubernatorial election | Nigeria | | Q107104659 |
| 1/9 | 1999 Delta State gubernatorial election | Nigeria | | Q107104661 |
| 1/9 | 1999 Kwara State gubernatorial election | Nigeria | | Q107104663 |
| 1/9 | 1999 Ondo State gubernatorial election | Nigeria | | Q107104666 |
| 1/9 | 1999 Gombe State gubernatorial election | Nigeria | | Q107104668 |
| 1/9 | 1999 Enugu State gubernatorial election | Nigeria | | Q107104676 |
| 1/9 | 1999 Edo State gubernatorial election | Nigeria | | Q107104679 |
| 1/9 | 1999 Jigawa State gubernatorial election | Nigeria | | Q107104681 |
| 1/9 | 1999 Cross River State gubernatorial election | Nigeria | | Q107104688 |
| 1/9 | 1999 Borno State gubernatorial election | Nigeria | | Q107104858 |
| 1/9 | 1999 Akwa Ibom State gubernatorial election | Nigeria | | Q107104971 |
| 1/9 | 1999 Benue State gubernatorial election | Nigeria | | Q107104977 |
| 1/9 | 1999 Anambra State gubernatorial election | Nigeria | | Q107105025 |
| 1/9 | 1999 Abia State gubernatorial election | Nigeria | | Q107105060 |
| 1/9 | 1999 Adamawa State gubernatorial election | Nigeria | | Q107105076 |
| 1/9 | 1999 Bayelsa State gubernatorial election | Nigeria | | Q107105084 |
| 1/9 | 16th AVN Awards | United States | Place: Horseshoe Las Vegas | Q19863448 |
| 1/9 | 1999 Rivers State gubernatorial election | Nigeria | | Q107104586 |
| 1/9 | 1999 Niger State gubernatorial election | Nigeria | | Q107104674 |
| 1/9 | 1999 Bauchi State gubernatorial election | Nigeria | | Q107104952 |
| 1/9 | January 9, 19991999年1月9日 | Unknown | | Q38870670 |
| 1/10 | 1999 Kazakh presidential election | Kazakhstan | | Q3537514 |
| 1/10 | January 10, 19991999年1月10日 | Unknown | | Q30058777 |
| 1/10 | Slovenian coal power station referendum, 1999 | Slovenia | | Q7541849 |
| 1/13 | murder of Hae Min Lee | United States | Place: Baltimore County | Q19865535 |
| 1/13 | 25th People's Choice Awards | United States | Place: Pasadena Conference Center | Q4632307 |
| 1/14 | 1999 Sabarimala stampede | India | | Q4595062 |
| 1/15 | Račak massacreラチャクの虐殺 | Kosovo | Place: Raçak | Q1463237 |
| 1/16 | 4th Lumière Awards第4回リュミエール賞 | France | Place: Paris | Q2817019 |
| 1/16 | 5th Screen Awards | India | | Q140379306 |
| 1/17 | Souled Out | United States | | Q30600422 |
| 1/17 | 1998 NFC Championship Game | United States | | Q16615215 |
| 1/18 | 1999 Grenadian general election1999年グレナダ議会総選挙 | Grenada | | Q5607424 |
| 1/19 | 1999 State of the Union Address | United States | | Q4595129 |
| 1/20 | 1999 Barbadian general election | Barbados | | Q4858577 |
| 1/23 | FDP-Europatag 1999 | Germany | Place: Frankfurt | Q26913052 |
| 1/24 | 56th Golden Globe Awards第56回ゴールデングローブ賞 | Unknown | Place: The Beverly Hilton | Q577982 |
| 1/24 | 13th Goya Awards第13回ゴヤ賞 | Spain | Place: Palacio de Congresos | Q353909 |
| 1/24 | 1999 Deutschlandsberg bus crash | Austria | | Q904570 |
| 1/24 | 1999 TransWorld Diversified Services Indy 200 | United States | Place: Walt Disney World Speedway | Q10701276 |
| 1/25 | 1999 Armenia, Colombia earthquake1999年アルメニア地震 | Colombia | | Q497145 |
| 1/30 | 1999 Heineken Cup Final | Unknown | Place: Lansdowne Road | Q4594747 |
| 1/30 | 1999 24 Hours of Daytona1999年デイトナ24時間レース | United States | Place: Daytona International Speedway | Q60788552 |
| 1/31 | January 1999 lunar eclipse1999年1月31日の月食 | Unknown | | Q6155729 |
| 1/31 | Liechtenstein health insurance referendum, 1999 | Liechtenstein | | Q6543977 |
| 2/1 | February 19991999年2月 | Unknown | | Q1075457 |
| 2/1 | Deaths in February 1999訃報 1999年2月 | Unknown | | Q4475455 |
| 2/1 | figure skating at the 1999 Asian Winter Games | South Korea | Place: Yongpyong Dome | Q5448045 |
| 2/1 | 1999 Sweden Hockey Games | Sweden | | Q10504852 |
| 2/1 | figure skating at the 1999 Asian Winter Games – women's singles | South Korea | Place: Yongpyong Dome | Q25239291 |
| 2/1 | figure skating at the 1999 Asian Winter Games – men's singles | South Korea | Place: Yongpyong Dome | Q25239293 |
| 2/1 | figure skating at the 1999 Asian Winter Games – pairs | South Korea | Place: Yongpyong Dome | Q25239294 |
| 2/1 | figure skating at the 1999 Asian Winter Games – ice dancing | South Korea | Place: Yongpyong Dome | Q25239299 |
| 2/1 | February 1999 Kurdish protests | Unknown | | Q5439774 |
| 2/1 | 1999 Yasar Dogu Tournament | Turkey | Place: Ankara | Q110792965 |
| 2/1 | speed skating at the 1999 Asian Winter Games – men's 500 metres | South Korea | | Q25239385 |
| 2/1 | 1999 Norwegian Figure Skating Championships | Norway | Place: Askerhallen | Q4594976 |
| 2/1 | speed skating at the 1999 Asian Winter Games – men's 10000 metres | South Korea | | Q55641835 |
| 2/1 | speed skating at the 1999 Asian Winter Games – men's 1000 metres | South Korea | | Q55641836 |
| 2/1 | speed skating at the 1999 Asian Winter Games – women's 3000 metres | South Korea | | Q55641842 |
| 2/1 | speed skating at the 1999 Asian Winter Games – women's 500 metres | South Korea | | Q55641843 |
| 2/1 | speed skating at the 1999 Asian Winter Games – women's 1000 metres | South Korea | | Q56063149 |
| 2/1 | speed skating at the 1999 Asian Winter Games – men's 1500 metres | South Korea | | Q56063151 |
| 2/1 | speed skating at the 1999 Asian Winter Games – women's 1500 metres | South Korea | | Q56063153 |
| 2/1 | speed skating at the 1999 Asian Winter Games – men's 5000 metres | South Korea | | Q56063155 |
| 2/2 | Bolivarian Revolutionボリバル革命 | Venezuela | | Q891367 |
| 2/2 | 1999 Grand Prix La Marseillaise | France | | Q30346827 |
| 2/4 | killing of Amadou Dialloアマドゥ・ディアロ射殺事件 | United States | Place: New York City | Q26707660 |
| 2/4 | 19th Genie Awards第19回ジニー賞 | Canada | Place: Living Arts Centre | Q2813437 |
| 2/6 | Nottingham Forest F.C. 1–8 Manchester United F.C. | United Kingdom | Place: City Ground | Q7063640 |
| 2/7 | 1999 Hessian state election | Germany | | Q1474826 |
| 2/7 | February 7, 19991999年2月7日 | Unknown | | Q69302576 |
| 2/9 | 1999 Montroc avalanche | France | Place: Montroc | Q111948162 |
| 2/9 | 1999 Newfoundland general election | Canada | | Q3586469 |
| 2/10 | 1999 Syrian presidential election | Syria | | Q7663301 |
| 2/14 | 1999 Daytona 500 | United States | Place: Daytona International Speedway | Q4594626 |
| 2/15 | 1999 Nunavut general election | Canada | | Q3586939 |
| 2/16 | solar eclipse of February 16, 19991999年2月16日の日食 | Unknown | | Q1584023 |
| 2/16 | 1999 Tashkent bombings1999年タシュケント爆弾事件 | Uzbekistan | Place: Tashkent | Q4456265 |
| 2/16 | Brit Awards 1999 | United Kingdom | Place: London Arena | Q3632234 |
| 2/16 | 1999 Greenlandic general election | Greenland, Denmark | | Q15410702 |
| 2/17 | 1999 attack on Israeli Consulate in Berlin | Germany | Place: Berlin | Q28196005 |
| 2/17 | February 1999 Mineriad | Romania | Place: Jiu Valley | Q18541895 |
| 2/19 | Spellemannprisen 1998 | Norway | Place: Oslo Spektrum | Q12718566 |
| 2/20 | 1999 Tour du Haut Varツール・デュ・オー・ヴァル1999 | France | | Q331133 |
| 2/20 | 1999 Nigerian parliamentary election | Nigeria | | Q7033042 |
| 2/21 | 44th Filmfare Awards第44回フィルムフェア賞 | India | Place: Mumbai | Q3072092 |
| 2/21 | Evolène avalanche | Switzerland | | Q1671571 |
| 2/21 | SuperBrawl IX | United States | | Q45748216 |
| 2/22 | Gulbene kindergarten massacre | Latvia | Place: Gulbene | Q136528772 |
| 2/23 | 1999 Chicago mayoral election | United States | | Q16152714 |
| 2/24 | 41st Annual Grammy Awards第41回グラミー賞 | United States | Place: Shrine Auditorium and Expo Hall | Q990545 |
| 2/24 | China Southwest Airlines Flight 4509中国西南航空4509便墜落事故 | People's Republic of China | Place: Rui'an | Q671604 |
| 2/25 | Alitalia Flight 1553 | Unknown | Place: Genoa Cristoforo Colombo Airport | Q90500093 |
| 2/26 | 1999 Iranian local elections | Iran | | Q25060105 |
| 2/27 | 1999 Nigerian presidential election | Nigeria | | Q1603123 |
| 2/27 | 1999 Omloop Het Volk | Belgium | | Q54430896 |
| 2/27 | Melodi Grand Prix 1999 | Norway | Place: NRK Marienlyst | Q107602112 |
| 2/27 | 1994 Czech Lion Awards | Czech Republic | Place: Palác Lucerna | Q11293315 |
| 2/27 | 1998 Czech Lion Awards | Czech Republic | | Q11293401 |
| 2/27 | February 27, 19991999年2月27日 | Unknown | | Q69302607 |
| 2/28 | 1999 Clásica de Almería | Spain | | Q2495204 |
| 3/1 | March 19991999年3月 | Unknown | | Q1075786 |
| 3/1 | Deaths in March 1999訃報 1999年3月 | Unknown | | Q4475427 |
| 3/1 | 1998–1999 Grand Prix of Figure Skating Final1998/1999 ISUグランプリファイナル | Russia | Place: Petersburg Sports and Concert Complex | Q4594211 |
| 3/1 | 1999 Men's World Ice Hockey Championships Group C | Netherlands | Place: Eindhoven | Q4150656 |
| 3/1 | Bela Crkva massacre | Federal Republic of Yugoslavia | Place: Bellacërkë | Q4881768 |
| 3/1 | figure skating at the 1999 European Youth Olympic Festival | Slovakia | Place: Poprad | Q5448048 |
| 3/1 | Juliaユリア | Unknown | | Q686545 |
| 3/1 | 1999 U.S. Cup | United States | | Q4595184 |
| 3/1 | 1st Congress of the Otan | Unknown | | Q86756433 |
| 3/3 | 1999 Dutch municipal elections | Netherlands | | Q113665046 |
| 3/5 | UFC 19 | United States | Place: Hollywood Casino Bay St. Louis | Q2244823 |
| 3/6 | 24th César Awards第24回セザール賞 | France | Place: Théâtre des Champs-Élysées | Q334887 |
| 3/6 | 1999 bombing of Jessore | Bangladesh | Place: Jashore | Q27628400 |
| 3/6 | 20th Youth in Film Awards | United States | Place: Sportsmen's Lodge | Q4630827 |
| 3/7 | 5th Screen Actors Guild Awards第5回全米映画俳優組合賞 | United States | Place: Shrine Auditorium and Expo Hall | Q1809343 |
| 3/7 | 1999 Estonian parliamentary election | Estonia | | Q254440 |
| 3/7 | 1999 North Korean local elections | North Korea | | Q15986350 |
| 3/7 | 1999 Equatorial Guinean legislative election | Equatorial Guinea | | Q5384274 |
| 3/7 | 1999 Salvadoran presidential election1999年エルサルバドル大統領選挙 | El Salvador | | Q7406544 |
| 3/7 | Juno Awards of 1999 | Canada | Place: TD Coliseum | Q6314162 |
| 3/7 | Rey de Reyes | Mexico | | Q16625197 |
| 3/7 | 1999 Salzburg state election | Austria | | Q1804183 |
| 3/7 | 1999 Tyrolean state election | Austria | | Q1804216 |
| 3/8 | Festival RTP da Canção 1999 | Portugal | Place: MEO Arena | Q10281934 |
| 3/9 | 1999 Antiguan general election | Antigua and Barbuda | | Q4774833 |
| 3/11 | 1999 Southern Brazil blackout | Brazil | | Q4595103 |
| 3/13 | Ultra Music Festivalウルトラ・ミュージック・フェスティバル | United States | | Q957459 |
| 3/13 | Evander Holyfield vs. Lennox Lewis | United States | Place: Madison Square Garden | Q11983734 |
| 3/13 | Blue Market massacre | Turkey | Place: Istanbul | Q28532107 |
| 3/14 | 1999 Istanbul bombings | Turkey | Place: Istanbul | Q4455422 |
| 3/14 | Uncensored | United States | | Q48842807 |
| 3/15 | Korean Air Flight 1533 | Unknown | | Q12592686 |
| 3/15 | 1999 Bourbonnais, Illinois train accident | United States | Place: Bourbonnais | Q4594546 |
| 3/19 | 1999 Vladikavkaz bombing | Russia | Place: Vladikavkaz | Q3397706 |
| 3/19 | 1999 Niuean general election | Niue | | Q7041688 |
| 3/20 | 19th Golden Raspberry Awards第19回ゴールデンラズベリー賞 | United States | | Q1535224 |
| 3/20 | 14th Independent Spirit Awards第14回インディペンデント・スピリット賞 | United States | Place: Santa Monica | Q1409251 |
| 3/21 | 71st Academy Awards第71回アカデミー賞 | United States | Place: Dorothy Chandler Pavilion | Q263239 |
| 3/21 | 1999 Finnish parliamentary election | Finland | | Q1362533 |
| 3/21 | 1999 Togolese parliamentary election | Togo | | Q17037712 |
| 3/21 | 1999 Marlboro Grand Prix of Miami | United States | Place: Homestead-Miami Speedway | Q4594883 |
| 3/21 | 1999 Grand Prix de Cholet-Pays de Loire | France | | Q3675367 |
| 3/23 | 能登半島沖不審船事件Japan | Japan | Place: Sea of Japan | Q11612012 |
| 3/24 | fire of the Mont Blanc tunnel | France | Place: Mont Blanc Tunnel | Q3149853 |
| 3/24 | 1999 Dwars door Vlaanderen | Belgium | | Q50820518 |
| 3/25 | Velika Kruša massacreヴェリカ・クルシャの虐殺 | Kosovo | Place: Krushë e Madhe | Q3438679 |
| 3/26 | Suva Reka massacreスヴァ・レカの虐殺 | Kosovo | Place: Suva Reka | Q3271831 |
| 3/27 | 1999 F-117A shoot-down | Federal Republic of Yugoslavia | | Q335259 |
| 3/27 | 1999 E3 Harelbeke | Belgium | | Q29633000 |
| 3/27 | 第54回ナストロ・ダルジェント賞 | Italy | Place: Cinecittà | Q16581263 |
| 3/28 | Izbica massacre | Kosovo | | Q3434323 |
| 3/28 | Podujevo massacreポドゥイェヴォの虐殺 | Kosovo | Place: Podujeva | Q7207166 |
| 3/28 | 1999 Chamoli earthquake | India | Place: Chamoli district | Q26330 |
| 3/28 | 1999 Brabantse Pijl | Belgium | | Q37577868 |
| 3/30 | 1999 Beninese parliamentary election | Benin | | Q4888043 |
| 3/31 | Pastasel massacre | Yugoslavia | | Q121494451 |
| 3/31 | 34th Golden Bell Awards | Taiwan | Place: National Dr. Sun Yat-sen Memorial Hall | Q18118967 |
| 4/1 | April 19991999年4月 | Unknown | | Q621919 |
| 4/1 | Deaths in April 1999訃報 1999年4月 | Unknown | | Q4475392 |
| 4/1 | 1999 Men's World Ice Hockey Championships Group B | Denmark | Place: Odense | Q4150725 |
| 4/1 | Liquiçá Church massacreリキシャ教会虐殺 | Timor-Leste | Place: Liquiçá Municipality | Q746131 |
| 4/1 | 1999 Men's World Ice Hockey Championships Group D | South Africa | Place: Krugersdorp | Q4150667 |
| 4/2 | 1999 Route Adélie | France | | Q3941883 |
| 4/3 | 1999 GP Miguel Induráin | Spain | | Q55601569 |
| 4/3 | 1999 Shreveport–Bossier City tornado | United States | Place: Shreveport | Q138001673 |
| 4/4 | 1999 Grand Prix de Rennes | France | | Q3775464 |
| 4/6 | 1999 Wisconsin Supreme Court election | United States | | Q133971650 |
| 4/6 | 1999 Paris–Camembert | France | | Q3895898 |
| 4/6 | 1999 Sri Lankan provincial council elections | Sri Lanka | | Q7586125 |
| 4/7 | Turkish Airlines flight 5904トルコ航空5904便墜落事故 | Turkey | Place: Ceyhan | Q7855227 |
| 4/9 | 1999 Nigerien coup d'état | Niger | | Q16266489 |
| 4/9 | 1999 Djiboutian presidential election | Djibouti | | Q5285322 |
| 4/10 | assassination of Ali Sayyad Shirazi | Iran | Place: Tehran | Q65613535 |
| 4/10 | 1999 Firestone Firehawk 500KJapan | Japan | Place: Mobility Resort Motegi | Q4594710 |
| 4/11 | 52nd British Academy Film Awards第52回英国アカデミー賞 | United Kingdom | Place: Business Design Centre | Q731299 |
| 4/11 | 1999 Tokyo gubernatorial electionJapan1999年東京都知事選挙 | Japan | | Q11186257 |
| 4/11 | Spring Stampede | United States | | Q28451246 |
| 4/11 | 1999 Hokkaido gubernatorial electionJapan1999年北海道知事選挙 | Japan | | Q11186252 |
| 4/11 | 1999 Czech Social Democratic Party leadership election | Czech Republic | | Q39054942 |
| 4/12 | Grdelica train bombing | Federal Republic of Yugoslavia | Place: Grdelica | Q5598537 |
| 4/12 | 1999 Wuppertal Schwebebahn accident | Germany | Place: Wuppertal | Q2254594 |
| 4/12 | Avianca Flight 9463 | Colombia | Place: Colombia | Q6164990 |
| 4/13 | Albania–Yugoslav border incidentアルバニア–ユーゴスラビア国境事件 | Albania | Place: Kukës | Q602902 |
| 4/14 | NATO bombing of Albanian refugees near Gjakova | Kosovo | Place: Gjakova | Q499623 |
| 4/14 | 1999 La Flèche Wallonneフレッシュ・ワロンヌ1999 | Belgium | | Q3074685 |
| 4/14 | La Flèche Wallonne Femmes 1999 | Belgium | | Q21856731 |
| 4/14 | 光市母子殺害事件Japan | Japan | Place: apartment | Q104586288 |
| 4/15 | Korean Air Cargo Flight 6316大韓航空6316便墜落事故 | People's Republic of China | Place: Shanghai | Q12592687 |
| 4/15 | 1999 Algerian presidential election | Algeria | | Q3586511 |
| 4/15 | 1999 Democratic Progressive Party presidential primary | Taiwan | | Q5255768 |
| 4/17 | Poklek massacre | Yugoslavia | Place: Poklek, Kosovo | Q135225825 |
| 4/17 | Manuel Carrascalão House massacre | Timor-Leste | Place: Dili | Q4216627 |
| 4/18 | 1999 Turkish general election1999年トルコ総選挙 | Turkey | | Q205478 |
| 4/18 | 1999 Malaysian motorcycle Grand Prix | Malaysia | Place: Sepang International Circuit | Q3114470 |
| 4/18 | 1999 Turkish local elections | Turkey | | Q7855373 |
| 4/18 | 1999 London Marathonロンドン・マラソン1999 | United Kingdom | Place: London | Q2572839 |
| 4/18 | Italian referendum, 1999 | Italy | | Q3931589 |
| 4/18 | 1999 Toyota Grand Prix of Long Beach | United States | Place: Long Beach Street Circuit | Q4595182 |
| 4/19 | 1999 Boston Marathonボストン・マラソン1999 | United States | Place: Boston | Q1859981 |
| 4/20 | Columbine High School massacreコロンバイン高校銃乱射事件 | United States | Place: Columbine High School | Q473845 |
| 4/21 | 1999 Scheldeprijs | Belgium | | Q36423605 |
| 4/21 | Meja ambush | Unknown | Place: Meja | Q113511434 |
| 4/23 | NATO bombing of the Radio Television of Serbia headquarters | Federal Republic of Yugoslavia | Place: Belgrade | Q4475947 |
| 4/24 | 1999 Uruguayan internal election | Uruguay | | Q2534665 |
| 4/25 | 18th Hong Kong Film Awards第18回香港電影金像奨 | Hong Kong | Place: Hong Kong Cultural Centre | Q986474 |
| 4/25 | Venezuelan constitutional referendum, April 1999 | Venezuela | | Q7919842 |
| 4/25 | 1999 Tour de Vendée | France | | Q3996142 |
| 4/26 | 1999 Rotterdam riots | Netherlands | | Q55601577 |
| 4/27 | Meja massacre | Yugoslavia | Place: Meja | Q1136536 |
| 4/28 | W. R. Myers High School shootingW.R.マイヤーズ高校銃乱射事件 | Canada | Place: Taber | Q1090952 |
| 4/30 | Murder of Jessica Lalジェシカ・ラール殺人事件 | India | Place: New Delhi | Q30825954 |
| 4/30 | 1999 Comorian coup d'état | Comoros | Place: Moroni | Q121289734 |
| 4/30 | 10th Golden Melody Awards第10回金曲奨 | Taiwan | Place: National Dr. Sun Yat-sen Memorial Hall | Q15899919 |
| 5/1 | Deaths in May 1999訃報 1999年5月 | Unknown | | Q4475419 |
| 5/1 | 1999 Kids' Choice Awards | United States | Place: Pauley Pavilion | Q4594839 |
| 5/1 | May 19991999年5月 | Unknown | | Q910604 |
| 5/1 | Dubrava Prison Massacre | Federal Republic of Yugoslavia | Place: Dubrava Prison | Q16836125 |
| 5/1 | 1999 Pentecost flood | Germany, Austria | | Q2083813 |
| 5/1 | 1999 IIHF World Championship1999年アイスホッケー世界選手権 | Norway | Place: Oslo | Q13624804 |
| 5/1 | Lužane bus bombing | Federal Republic of Yugoslavia | Place: Lužane | Q6706905 |
| 5/1 | murder of Marianne Vaatstra | Netherlands | Place: Feankleaster | Q19655558 |
| 5/1 | 1999 Surinamese protests | Suriname | Place: Paramaribo | Q105690288 |
| 5/1 | 1999 VisionAire 500K | United States | Place: Charlotte Motor Speedway | Q48977001 |
| 5/1 | NATO bombing of Belgrade streets | Unknown | | Q6952601 |
| 5/2 | 1999 Bosch Spark Plug Grand Prix | United States | Place: Nazareth Speedway | Q4594538 |
| 5/2 | 119th Tenno ShoJapan第119回天皇賞 | Japan | Place: Kyoto Racecourse | Q112179998 |
| 5/2 | 1999 California 500 | United States | Place: Auto Club Speedway | Q24887855 |
| 5/2 | 1999 Panamanian general election | Panama | | Q7129990 |
| 5/3 | Vushtrri massacre | Kosovo | Place: Vushtrri | Q7943742 |
| 5/3 | 1999 Nepalese legislative election | Nepal | | Q6994500 |
| 5/3 | Simpang KKA incident | Indonesia | | Q12981987 |
| 5/3 | 1999 Dover–Hennessey tornado | United States | Place: Hennessey | Q140620313 |
| 5/4 | 1999 WNBA Draft | United States | | Q912254 |
| 5/6 | 1999 Scottish Parliament general election1999年スコットランド議会選挙 | United Kingdom | | Q1269950 |
| 5/6 | 1999 National Assembly for Wales election | United Kingdom | | Q842113 |
| 5/6 | 1999 Ceredigion County Council election | Wales | | Q20592273 |
| 5/6 | 1999 Scottish local elections | United Kingdom | | Q7438088 |
| 5/7 | United States bombing of the Chinese embassy in Belgradeアメリカ合衆国による中国大使館爆撃 | Federal Republic of Yugoslavia | Place: Belgrade | Q2418042 |
| 5/7 | Cluster bombing of Niš | Serbia | Place: Niš | Q4093050 |
| 5/7 | UFC 20 | United States | Place: Boutwell Memorial Auditorium | Q2063726 |
| 5/7 | 1999 Italian local elections | Italy | | Q3722176 |
| 5/7 | 1999 Curaçao general election | Curaçao | | Q19604734 |
| 5/8 | 1999 Icelandic parliamentary election | Iceland | | Q665210 |
| 5/9 | 1999 Spanish motorcycle Grand Prix | Spain | Place: Jerez-Ángel Nieto Circuit | Q339185 |
| 5/9 | Slamboree | United States | | Q48739428 |
| 5/9 | British Academy Television Awards 1999 | United Kingdom | Place: Grosvenor House Hotel | Q4969382 |
| 5/11 | 1999 Loyal Valley tornado | United States | Place: Loyal Valley | Q122723000 |
| 5/13 | 1999 Italian presidential election | Italy | | Q3586608 |
| 5/13 | Grand Prix de Wallonie 1999 | Belgium | | Q20731475 |
| 5/14 | Ćuška massacreツスカの虐殺 | Federal Republic of Yugoslavia | Place: Qyshk | Q1587362 |
| 5/14 | Koriša bombing | Serbia | Place: Korisha | Q2813755 |
| 5/15 | 1999 Slovak presidential election | Slovakia | | Q780513 |
| 5/15 | 1999 Coupe de France Final | France | Place: Stade de France | Q4594612 |
| 5/15 | 1999 Macanese Chief Executive election | Portugal | | Q55719546 |
| 5/15 | 1999 Grand Prix Telemar Rio 200 | Brazil | Place: Autódromo Internacional Nelson Piquet | Q4594733 |
| 5/15 | Break the Barrier | Unknown | Place: 2300 Arena | Q4959342 |
| 5/16 | 1999 Belarusian presidential election | Belarus | | Q6462410 |
| 5/16 | Guatemalan constitutional referendum | Guatemala | | Q3533109 |
| 5/16 | Hardcore Heaven (1999) | United States | | Q55613398 |
| 5/17 | 1999 Israeli general election | Israel | | Q2480394 |
| 5/21 | 1999 Sint Maarten general election | Sint Maarten | | Q17510348 |
| 5/22 | Orderud case | Norway | Place: Sørum Municipality | Q2044502 |
| 5/23 | 1999 German presidential election1999年ドイツ大統領選挙 | Germany | | Q451110 |
| 5/23 | Moldovan constitutional referendum, 1999 | Moldova | | Q6895825 |
| 5/23 | 1999 Moldovan local elections | Moldova | | Q6895829 |
| 5/24 | Cosmic Callコズミック・コール2 | Unknown | | Q4036598 |
| 5/25 | 1999 Multishow Brazilian Music Awards | Brazil | Place: Canecão | Q30932320 |
| 5/26 | Miss Universe 1999ミス・ユニバース1999 | Unknown | Place: Chaguaramas | Q2707145 |
| 5/27 | 1999 UAE President's Cup Final | United Arab Emirates | Place: Abu Dhabi | Q110937737 |
| 5/28 | Malexander murders | Sweden | | Q4992033 |
| 5/29 | 1999 Scottish Cup Final | United Kingdom | Place: Hampden Park | Q4484603 |
| 5/29 | 1999 Grand Prix de Plumelec-Morbihan | France | | Q4025136 |
| 5/29 | 1999 Motorola 300 | United States | Place: World Wide Technology Raceway at Gateway | Q4594921 |
| 5/30 | Nyamiha disasterニャミハ群衆事故 | Belarus | Place: Nyamiha | Q2634583 |
| 5/30 | Varvarin bridge bombing | Federal Republic of Yugoslavia | Place: Varvarin | Q25461392 |
| 5/30 | 1999 Armenian parliamentary election | Armenia | | Q3824410 |
| 5/30 | 1999 Ukrainian Cup Final | Ukraine | Place: Olimpiyskiy National Sports Complex | Q4595215 |
| 5/30 | 1999 Belgian Cup Final | Belgium | Place: King Baudouin Stadium | Q21661363 |
| 5/30 | Concertación presidential primary, 1999 | Chile | | Q3722597 |
| 5/30 | 1999 Championnat National 1 Final | Algeria | Place: Ahmed Zabana Stadium | Q27963873 |
| 5/30 | 1999 Tro-Bro Leon | France | | Q55601580 |
| 6/1 | American Airlines Flight 1420アメリカン航空1420便オーバーラン事故 | United States | Place: Bill and Hillary Clinton National Airport | Q783597 |
| 6/1 | Drenica massacres | Federal Republic of Yugoslavia | Place: Drenica | Q5306924 |
| 6/1 | June 19991999年6月 | Unknown | | Q1075781 |
| 6/1 | Deaths in June 1999訃報 1999年6月 | Unknown | | Q10844232 |
| 6/1 | 1999 Canada Cup | Canada | | Q5786620 |
| 6/1 | 1999 Surinamese protests | Suriname | Place: Paramaribo | Q105690288 |
| 6/2 | 1999 South African general election | South Africa | | Q1136261 |
| 6/3 | 1999 Ontario general election | Canada | | Q3586386 |
| 6/4 | Badacsonylábdihegy Railway Accident | Hungary | Place: Badacsonylábdihegy | Q56160309 |
| 6/5 | 1999 MTV Movie Awards | United States | Place: Santa Monica Airport | Q74027 |
| 6/5 | France v Russia | France | Place: Stade de France | Q4493732 |
| 6/6 | 1999 Italian motorcycle Grand Prix | Italy | Place: Mugello Circuit | Q3114359 |
| 6/6 | 1999 Bremen state election | Germany | | Q1021426 |
| 6/6 | 1999 Miller Lite 225 | United States | Place: Milwaukee Mile | Q4594905 |
| 6/7 | 1999 Indonesian legislative election1999年インドネシア国民議会選挙 | Indonesia | | Q3034438 |
| 6/7 | 1999 New Brunswick general election | Canada | | Q3586354 |
| 6/9 | Kumanovo Agreement | North Macedonia | Place: Kumanovo | Q28479 |
| 6/9 | 25th Saturn Awards第25回サターン賞 | United States | Place: United States | Q2226441 |
| 6/10 | 1999 European Parliament election in the United Kingdom1999年欧州議会議員選挙 | United Kingdom | | Q2052486 |
| 6/10 | 1999 European Parliament election in Denmark | Denmark | | Q2334150 |
| 6/10 | 1999 European Parliament election in the Netherlands | Netherlands | | Q2020915 |
| 6/11 | 1999 European Parliament election in Ireland | Ireland | | Q947704 |
| 6/11 | Triplemanía VII | Mexico | Place: Ciudad Madero | Q7843566 |
| 6/12 | Incident at Pristina Airport | Republic of Serbia | Place: Pristina International Airport Adem Jashari | Q3497205 |
| 6/12 | 1999 DFB-Pokal Final | Germany | Place: Berlin Olympic Stadium | Q18060343 |
| 6/13 | 1999 European Parliament election in Germany1999年欧州議会議員選挙 | Germany | | Q1028746 |
| 6/13 | 1999 European Parliament election in Finland | Finland | | Q951024 |
| 6/13 | 1999 European Parliament election in Greece | Greece | | Q1623406 |
| 6/13 | 1999 European Parliament election in Austria | Austria | | Q2734765 |
| 6/13 | 1999 European Parliament election in Spain1999年欧州議会議員選挙 | Spain | | Q596633 |
| 6/13 | 1999 European Parliament election in Italy1999年欧州議会議員選挙 (イタリア) | Italy | | Q11851 |
| 6/13 | 1999 European Parliament election in Luxembourg | Luxembourg | | Q2483759 |
| 6/13 | 1999 European Parliament election in France1999年欧州議会議員選挙 | France | | Q2609961 |
| 6/13 | 1999 European Parliament election in Belgium | Belgium | | Q2640624 |
| 6/13 | 1999 European Parliament election in Sweden | Sweden | | Q2736579 |
| 6/13 | 1999 European Parliament election in Portugal1999年欧州議会議員選挙 | Portugal | | Q2404815 |
| 6/13 | 1999 Belgian federal election1999年ベルギー総選挙 | Belgium | | Q2585212 |
| 6/13 | 1999 Luxembourg general election1999年ルクセンブルク総選挙 | Luxembourg | | Q3246452 |
| 6/13 | 1999 Extremaduran regional election | Spain | | Q3328633 |
| 6/13 | 1999 Spanish local elections | Spain | Place: Spain | Q11918798 |
| 6/13 | 1999 Asturian regional election | Spain | | Q2889967 |
| 6/13 | 1999 Navarrese regional election1999年ナバーラ自治州議会選挙 | Spain | | Q4891350 |
| 6/13 | 1999 Barcelona City Council election | Spain | | Q20312506 |
| 6/13 | 1999 Madrid City Council election | Spain | Place: Madrid | Q20921812 |
| 6/13 | 1999 Aragonese regional election | Spain | | Q3571168 |
| 6/13 | 1999 Sardinian regional election | Italy | | Q3722641 |
| 6/13 | 1999 Madrilenian regional election | Spain | | Q5354930 |
| 6/13 | 1999 Cantabrian regional election1999年カンタブリア自治州議会選挙 | Spain | | Q5827527 |
| 6/13 | 1999 Riojan regional election | Spain | | Q5827546 |
| 6/13 | 1999 Canarian regional election | Spain | | Q8774378 |
| 6/13 | 1999 Seville City Council election | Spain | Place: Seville | Q48844335 |
| 6/13 | 1999 Valencian regional election1999年バレンシア州議会選挙 | Spain | | Q5354925 |
| 6/13 | 1999 Castilian-Manchegan regional election | Spain | | Q5827485 |
| 6/13 | Castile and León parliamentary election, 1999 | Spain | | Q5827499 |
| 6/13 | 1999 Basque foral elections | Spain | | Q8774327 |
| 6/13 | 1999 Balearic regional election1999年バレアレス諸島自治州議会選挙 | Spain | | Q8774400 |
| 6/13 | 1999 Belgian regional elections | Belgium | | Q127908 |
| 6/13 | 1999 Melilla Assembly election | Spain | | Q55622731 |
| 6/13 | 1999 Ceuta Assembly election | Spain | | Q5827448 |
| 6/13 | 1999 Spanish local elections in Galicia | Spain | | Q12387520 |
| 6/13 | 1999 German-speaking Community Parliament election | Belgium | | Q13574596 |
| 6/13 | 1999 Murcian regional election | Spain | | Q20978126 |
| 6/13 | 1999 Flemish elections | Belgium | | Q2855414 |
| 6/13 | 1999 Walloon Parliament elections | Belgium | | Q28870167 |
| 6/13 | The Great American Bash | United States | | Q48344041 |
| 6/13 | 1999 Valencia City Council election | Spain | | Q48843675 |
| 6/13 | 1999 Brussels regional election | Belgium | | Q5140112 |
| 6/14 | 1999 South African presidential election | South Africa | | Q3586533 |
| 6/15 | First Battle of Yeonpyeong第1延坪海戦 | Unknown | | Q490904 |
| 6/15 | 1998 Acatlanテワカン地震 | Mexico | | Q4595171 |
| 6/15 | 1999 Malawian general election1999年マラウイ総選挙 | Malawi | | Q6741497 |
| 6/16 | 44th David di Donatello Awards第44回ダヴィッド・ディ・ドナテッロ賞 | Italy | Place: Cinecittà | Q3703433 |
| 6/16 | 1999 Taça de Portugal Final | Portugal | Place: Estádio Nacional | Q16851732 |
| 6/16 | 1999 Cook Islands general election | Cook Islands | | Q3586929 |
| 6/17 | 1999 Latvian presidential election | Latvia | | Q20557506 |
| 6/19 | wedding of Prince Edward and Sophie Rhys-Jonesエドワード王子とソフィー=リース=ジョーンズの結婚式 | United Kingdom | Place: St George's Chapel, Windsor | Q2894167 |
| 6/20 | 1999 Budweiser/G.I. Joe's 200 | United States | Place: Portland International Raceway | Q4594549 |
| 6/21 | 1999 Polish Film Awards | Poland | | Q4595028 |
| 6/24 | Honor killing of Pela Atroshi | Unknown | | Q4936925 |
| 6/26 | Equatorial Guinea–São Tomé and Príncipe Maritime Boundary Treaty | Unknown | Place: Malabo | Q5384283 |
| 6/27 | 1999 Grand Prix of Mosport | Canada | Place: Canadian Tire Motorsport Park | Q4594737 |
| 6/27 | 1999 Save Mart/Kragen 350 | United States | Place: Sonoma Raceway | Q22025459 |
| 6/27 | 1999 Medic Drug Grand Prix of Cleveland | United States | Place: Cleveland circuit | Q4594886 |
| 6/30 | 1999 NBA draft1999年のNBAドラフト | United States | Place: Capital One Arena | Q598538 |
| 6/30 | Cosmic Callコズミック・コール2 | Unknown | | Q4036598 |
| 6/30 | Sealand Youth Training Center Fireシーランド火災惨事 | South Korea | Place: Sealand Youth Training Center | Q625262 |
| 7/1 | July 19991999年7月 | Unknown | | Q910578 |
| 7/1 | Deaths in July 1999訃報 1999年7月 | Unknown | | Q10844233 |
| 7/1 | 1999 Atlanta day trading firm shootingsアトランタ銃乱射事件 | United States | Place: Atlanta | Q56816187 |
| 7/1 | 1999 European Youth Summer Olympic Days | Denmark | Place: Esbjerg | Q18619072 |
| 7/1 | 1999 Swedish Open | Sweden | Place: Båstad Tennis Stadium | Q3978716 |
| 7/1 | 1999 Algerian Cup Final | Algeria | Place: Stade 5 Juillet 1962 | Q18160733 |
| 7/1 | 1999 European Ladies' Team Championship | France | | Q109928233 |
| 7/1 | Tabriz University's student movement, July 1999 | Iran | | Q7673573 |
| 7/2 | 1999 Tramore helicopter crash | Ireland | | Q116867546 |
| 7/4 | 1999 British motorcycle Grand Prix | United Kingdom | Place: ドニントン・パーク | Q933262 |
| 7/4 | 1999 Kuwaiti general election | Kuwait | | Q6449009 |
| 7/6 | Twenty-eighth government of Israel第28次 | Unknown | | Q654519 |
| 7/7 | Lomé Peace Accordロメ和平合意 | Togo | | Q728770 |
| 7/7 | Lufthansa Cargo Flight 8533 | Unknown | | Q90500563 |
| 7/7 | 1999 Tour de France, stage 4ツール・ド・フランス1999 第4ステージ | France | | Q16024080 |
| 7/10 | Eurovision Young Dancers 1999 | Unknown | | Q85378 |
| 7/10 | Obafemi Awolowo University massacre | Nigeria | Place: Obafemi Awolowo University | Q7074574 |
| 7/11 | Bash at the Beach | United States | | Q18499993 |
| 7/11 | 40th Takarazuka KinenJapan第40回宝塚記念 | Japan | Place: Hanshin Racecourse | Q11601151 |
| 7/11 | 1999 Texaco/Havoline 200 | United States | Place: Road America | Q4595166 |
| 7/11 | 1999 Jiffy Lube 300 | United States | Place: New Hampshire Motor Speedway | Q96368603 |
| 7/14 | 1999 WNBA All-Star Game | United States | Place: Madison Square Garden | Q1668742 |
| 7/16 | John F. Kennedy Jr. plane crashジョン・F・ケネディ・ジュニア 自家用機墜落事故 | United States | Place: Atlantic Ocean | Q6232326 |
| 7/16 | UFC 21 | United States | Place: Alliant Energy PowerHouse | Q2063719 |
| 7/16 | 1998–99 Kazakhstan Cup Final | Kazakhstan | Place: Almaty Central Stadium | Q24956171 |
| 7/18 | 1999 Nigerien presidential election | Niger | | Q2115204 |
| 7/18 | 1999 German motorcycle Grand Prix | Germany | Place: Sachsenring | Q3114284 |
| 7/18 | Nigerien constitutional referendum, 1999 | Niger | | Q14779030 |
| 7/18 | 1999 Molson Indy Toronto | Canada | Place: Toronto Street Circuit | Q4594912 |
| 7/18 | Nigerien parliamentary election, 1999 | Niger | | Q7033102 |
| 7/22 | 1999 Eddisbury by-election | United Kingdom | | Q5336614 |
| 7/23 | All Nippon Airways Flight 61Japan全日空61便ハイジャック事件 | Japan | Place: Minami Kantō | Q4729199 |
| 7/23 | Staro Gračko massacre | Kosovo | Place: Graçka e Vjetër | Q2759439 |
| 7/23 | death of Hassan II of Moroccoハサン2世崩御 | Morocco | Place: Mausoleum of Mohammed V | Q120498094 |
| 7/23 | Manjolai Labourers Massacreマンジョライ暴動 | India | Place: Tirunelveli | Q15961725 |
| 7/23 | 1999 Tulia drug arrests | United States | Place: Tulia | Q123631199 |
| 7/24 | Air Fiji Flight 121 | Fiji | | Q28224435 |
| 7/25 | 1999 Venezuelan Constituent Assembly election | Venezuela | | Q17101626 |
| 7/25 | 1999 U.S. 500 Presented by Toyota | United States | Place: Michigan International Speedway | Q4595186 |
| 7/27 | 1999 Nova Scotia general election | Canada | | Q3586369 |
| 7/28 | July 1999 lunar eclipse1999年7月28日の月食 | Unknown | | Q6310509 |
| 8/1 | 1999 Teen Choice Awards | United States | Place: Santa Monica Airport | Q119153 |
| 8/1 | August 19991999年8月 | Unknown | | Q760671 |
| 8/1 | Deaths in August 1999訃報 1999年8月 | Unknown | | Q4475384 |
| 8/1 | 1999 World Championships in Athletics – women's heptathlon | Spain | Place: Estadio de La Cartuja | Q4595284 |
| 8/2 | Gaisal train disasterガイサル鉄道事故 | India | Place: Gaisal railway station | Q5517354 |
| 8/7 | TACV Flight 5002 | Cape Verde | Place: Santo Antão | Q6164969 |
| 8/7 | 1999 Brickyard 400 | United States | Place: Indianapolis Motor Speedway | Q23016876 |
| 8/8 | 1999 ITT Automotive Detroit Grand Prix | United States | Place: Belle Isle circuit | Q4594794 |
| 8/9 | 1999 Liberal Democrats leadership election1999年イギリス自由民主党党首選挙 | United Kingdom | | Q6540662 |
| 8/10 | Pakistan Naval Air Arm Atlantique shootdownアトランティック撃墜事件 | Unknown | Place: Rann of Kutch | Q94774 |
| 8/10 | Los Angeles Jewish Community Center shootingロサンゼルス・ユダヤ人コミュニティセンター銃撃事件 | United States | Place: Chatsworth | Q6682248 |
| 8/11 | solar eclipse of August 11, 19991999年8月11日の日食 | France, United Kingdom, Germany, Slovenia, Romania, Bulgaria, Hungary, Belgium, Luxembourg, Austria, Turkey, India, Iran, Iraq, Federal Republic of Yugoslavia, Pakistan, Syria | | Q1281799 |
| 8/11 | 1999 Salt Lake City tornado | United States | | Q4595070 |
| 8/14 | Road Wild | United States | | Q48834586 |
| 8/15 | 1999 HEW CyclassicsHEWサイクラシックス1999 | Germany | | Q3124837 |
| 8/15 | Beni Ounif massacre | Algeria | | Q117018081 |
| 8/15 | 1999 Miller Lite 200 | United States | Place: Mid-Ohio Sports Car Course | Q4594903 |
| 8/17 | 1999 İzmit earthquakeイズミット地震 | Turkey | Place: Gölcük | Q367449 |
| 8/18 | 1999 Singaporean presidential election | Singapore | | Q7523308 |
| 8/18 | 17th Golden Eagle Awards | People's Republic of China | Place: Shenzhen | Q4553604 |
| 8/21 | La Gabarra Massacre | Colombia | Place: La Gabarra | Q6462696 |
| 8/22 | China Airlines Flight 642チャイナエアライン642便着陸失敗事故 | Unknown | Place: Hong Kong | Q1073177 |
| 8/22 | 1999 Czech Republic motorcycle Grand Prix1999年のチェコグランプリ | Czech Republic | Place: Masaryk Circuit | Q3114482 |
| 8/22 | 1999 Züri-Metzgete | Switzerland | | Q1998885 |
| 8/22 | Galileo System Time | Unknown | | Q131460498 |
| 8/23 | GPS week number rolloverGPSロールオーバー | Unknown | | Q62060882 |
| 8/23 | 1999 Circuit de l'Aulne | France | | Q3677946 |
| 8/28 | Amanda Award 1999 | Norway | Place: Haugesund Municipality | Q3910421 |
| 8/29 | 1999 GP Ouest-FranceGP西フランス・プルエー1999 | France | | Q2568055 |
| 8/29 | 1999 Manenberg tornado | South Africa | | Q97353627 |
| 8/30 | East Timorese independence referendum, 19991999年の東ティモール住民投票 | Timor-Leste | | Q2492380 |
| 8/31 | LAPA Flight 3142LAPA航空3142便離陸失敗事故 | Argentina | Place: Jorge Newbery Airport | Q3317347 |
| 9/1 | 1999 Russian apartment bombingsロシア高層アパート連続爆破事件 | Russia | Place: Moscow | Q967844 |
| 9/1 | Category:September 1999Category:1999年9月 | Unknown | | Q17433789 |
| 9/1 | September 19991999年9月 | Unknown | | Q1150759 |
| 9/1 | Deaths in September 1999訃報 1999年9月 | Unknown | | Q16709975 |
| 9/1 | Category:September 1999 in Europe | Unknown | | Q30617799 |
| 9/1 | Category:September 1999 by continent | Unknown | | Q30617800 |
| 9/1 | Category:September 1999 by country | Unknown | | Q79084040 |
| 9/1 | Category:September 1999 in Russia | Unknown | | Q106071548 |
| 9/1 | Category:September 1999 in sports | Unknown | | Q30613640 |
| 9/1 | Category:September 1999 in the United States | Unknown | | Q79084027 |
| 9/1 | Category:September 1999 in Asia | Unknown | | Q79084942 |
| 9/1 | Category:September 1999 in Africa | Unknown | | Q98757407 |
| 9/1 | Category:September 1999 in Australia | Unknown | | Q106227051 |
| 9/1 | 1999 Česká pojišťovna Cup | Czech Republic | | Q11283178 |
| 9/1 | Category:September 1999 in Italy | Unknown | | Q124952891 |
| 9/1 | Category:September 1999 in South Africa | Unknown | | Q124952892 |
| 9/1 | Category:September 1999 in Japan | Unknown | | Q130470519 |
| 9/1 | Kosovo Train for Life | Unknown | | Q23807948 |
| 9/1 | Godard family disappearance | France | | Q2825793 |
| 9/1 | Category:September 1999 in North America | Unknown | | Q79084036 |
| 9/1 | Category:September 1999 sports events in the United States | Unknown | | Q79320093 |
| 9/1 | Category:September 1999 in Oceania | Unknown | | Q89229103 |
| 9/1 | Category:September 1999 sports events in Asia | Unknown | | Q100400522 |
| 9/1 | Category:September 1999 in New Zealand | Unknown | | Q106231080 |
| 9/1 | Category:September 1999 sports events in Australia | Unknown | | Q106353307 |
| 9/1 | Category:September 1999 in South America | Unknown | | Q106394638 |
| 9/1 | Category:September 1999 sports events in South America | Unknown | | Q106394830 |
| 9/1 | Category:September 1999 in Germany | Unknown | | Q120785139 |
| 9/1 | Category:September 1999 in Spain | Unknown | | Q124952890 |
| 9/1 | Category:September 1999 in France | Unknown | | Q125114143 |
| 9/1 | Category:September 1999 in Egypt | Unknown | | Q127606756 |
| 9/1 | Category:September 1999 in China | Unknown | | Q131511569 |
| 9/1 | Category:September 1999 sports events in Italy | Unknown | | Q134568901 |
| 9/1 | Category:September 1999 in Saudi Arabia | Unknown | | Q135939173 |
| 9/1 | Category:September 1999 sports events in Europe | Unknown | | Q30618945 |
| 9/1 | Category:September 1999 sports events in North America | Unknown | | Q79320105 |
| 9/1 | Category:September 1999 sports events in Africa | Unknown | | Q80275272 |
| 9/1 | Category:September 1999 in Canada | Unknown | | Q86803214 |
| 9/1 | Category:September 1999 in the United Kingdom | Unknown | | Q86803218 |
| 9/1 | Category:September 1999 sports events in Oceania | Unknown | | Q89229097 |
| 9/3 | 1999 Glasgow Airport Cessna 404 crash | United Kingdom | | Q19574747 |
| 9/3 | murder of Raonaid Murray | Ireland | Place: Glenageary | Q6938017 |
| 9/3 | Category:September 3, 1999 | Unknown | | Q88705707 |
| 9/4 | Sharm el-Sheikh Memorandum | Unknown | | Q1617900 |
| 9/4 | 1999 Polish Basketball Supercup | Poland | Place: Wrocław | Q18435000 |
| 9/4 | Azerbaijan v Portugal | Azerbaijan | Place: Tofiq Bahramov Stadium | Q115935676 |
| 9/4 | 1999 Andhra Pradesh Legislative Assembly election | India | | Q16961509 |
| 9/5 | 1999 Brandenburg state election | Germany | | Q1804075 |
| 9/5 | 1999 City of Imola motorcycle Grand Prix | San Marino | Place: Imola Circuit | Q3114326 |
| 9/5 | 1999 Saarland state election | Germany | | Q821916 |
| 9/5 | 1999 Grote Prijs Jef Scherens | Belgium | | Q21093809 |
| 9/5 | Tukhchar massacre | Unknown | | Q4468637 |
| 9/5 | Necon Air Flight 128 | Nepal | | Q48790186 |
| 9/5 | 1999 Molson Indy Vancouver | Canada | Place: Streets of Vancouver | Q10587855 |
| 9/6 | Suai Church massacre | Timor-Leste | Place: Suai | Q507829 |
| 9/6 | Category:September 6, 1999 | Unknown | | Q88749404 |
| 9/7 | 1999 Athens earthquakeアテネ地震 | Greece | | Q497157 |
| 9/8 | 1999 Indian general election in Maharashtra | India | | Q64347142 |
| 9/9 | Sirte Declarationシルテ宣言 | Libya | Place: Sirte | Q3042698 |
| 9/11 | 1999 Paris–Brussels | France, Belgium | | Q57778524 |
| 9/11 | Category:September 11, 1999 | Unknown | | Q88753032 |
| 9/12 | 1999 Thuringian state election | Germany | | Q1804196 |
| 9/12 | 1999 Honda Grand Prix of Monterey | United States | Place: WeatherTech Raceway Laguna Seca | Q10525906 |
| 9/12 | 1999 Grand Prix de Fourmies | France | | Q3775264 |
| 9/12 | 1999 San Marino citizenship referendum | San Marino | | Q3931591 |
| 9/12 | Fall Brawl | United States | | Q48842770 |
| 9/13 | Kashirskoye Highway bombing | Russia | Place: Moscow | Q4456275 |
| 9/14 | Britannia Airways Flight 226Aブリタニア航空226A便 | Spain | Place: Girona | Q4163567 |
| 9/14 | Olympic Airways Flight 3838 | Romania | Place: Teleorman County | Q132125447 |
| 9/15 | 1999 Puthukkudiyiruppu bombing | Sri Lanka | Place: Puthukkudiyiruppu | Q16821524 |
| 9/16 | Algerian Civil Concord referendum, 1999 | Algeria | | Q13370431 |
| 9/16 | 1999 Saskatchewan general election | Canada | | Q3586452 |
| 9/16 | Volgodonsk bombing | Russia | Place: Volgodonsk | Q4456246 |
| 9/17 | Ramallo massacre | Argentina | Place: Villa Ramallo | Q3391152 |
| 9/18 | Gonagala massacre | Sri Lanka | | Q5581331 |
| 9/18 | Oscar De La Hoya vs. Félix Trinidad | United States | Place: Michelob Ultra Arena | Q5447804 |
| 9/18 | Miss America 2000ミス・アメリカ2000 | United States | Place: Boardwalk Hall | Q6876126 |
| 9/19 | 1999 Central African presidential election1999年中央アフリカ共和国大統領選挙 | Central African Republic | | Q5060294 |
| 9/19 | 1999 Saxony state election | Germany | | Q1660496 |
| 9/19 | 1999 Vorarlberg state election | Austria | | Q1804229 |
| 9/19 | 1999 Dura Lube/Kmart 300 | United States | Place: New Hampshire Motor Speedway | Q113827715 |
| 9/19 | 1999 Grand Prix d'Isbergues | France | | Q3775213 |
| 9/20 | International Force East Timor東ティモール国際軍 | Timor-Leste | Place: Timor-Leste | Q402096 |
| 9/21 | 1999 Jiji earthquake921大地震 | Taiwan | | Q714320 |
| 9/21 | 1999 Manitoba general election | Canada | | Q3586319 |
| 9/21 | 1999 Liberal Democratic Party (Japan) leadership electionJapan1999年自由民主党総裁選挙 | Japan | | Q48757190 |
| 9/21 | 1st Golden Trailer Awards | United States | Place: New York City | Q3773059 |
| 9/22 | September 22, 19991999年9月22日 | Unknown | | Q50308172 |
| 9/23 | Qantas Flight 1カンタス航空1便オーバーラン事故 | Thailand | Place: Bangkok | Q7266508 |
| 9/23 | Deventer murder case | Netherlands | | Q679250 |
| 9/23 | 1999 Yemeni presidential election1999年イエメン大統領総選挙 | Yemen | | Q8052135 |
| 9/24 | UFC 22 | United States | Place: Lake Charles | Q4001887 |
| 9/25 | 1999 Giro dell'Emilia | Italy | | Q57968872 |
| 9/26 | Tajikistani constitutional referendum, 1999 | Tajikistan | | Q7676835 |
| 9/26 | 1999 Berlin Marathonベルリン・マラソン1999 | Germany | Place: Berlin | Q2434475 |
| 9/26 | 1999 Egyptian presidential confirmation referendum | Egypt | | Q5348503 |
| 9/26 | 1999 Vegas.com 500 | United States | Place: Las Vegas Motor Speedway | Q10713625 |
| 9/26 | Explosión Pirotecnica 1999 Celaya | Mexico | | Q28449691 |
| 9/27 | Batken Conflictバトケン紛争 | Unknown | Place: Batken Region | Q4079409 |
| 9/29 | Shimonoseki Station massacreJapan下関通り魔殺人事件 | Japan | Place: Shimonoseki Station | Q852450 |
| 9/30 | Tōkaimura criticality accidentJapan東海村JCO臨界事故 | Japan | Place: JCO | Q1377385 |
| 9/30 | 1999 Oaxaca earthquake | Mexico | | Q961334 |
| 9/30 | 1999 Paris–Bourges | France | | Q3895872 |
| 10/1 | October 19991999年10月 | Unknown | | Q1330479 |
| 10/1 | Deaths in October 1999訃報 1999年10月 | Unknown | | Q4475440 |
| 10/1 | Russ Prizeラス賞 | United States | Place: Ohio | Q1065018 |
| 10/1 | 50th anniversary of the People's Republic of China中華人民共和国建国50周年記念日 | People's Republic of China | | Q15908309 |
| 10/1 | 1999 Latakia protests | Syrian Arab Republic | Place: Latakia | Q4594856 |
| 10/1 | 1999 Skate America1999年スケートアメリカ | United States | Place: Broadmoor World Arena | Q3616185 |
| 10/1 | 1999 Indian general election in Tamil Nadu | India | | Q6022507 |
| 10/1 | 1999 Indian general election in Kerala | India | | Q104844977 |
| 10/3 | 1999 Austrian legislative election1999年のオーストリア国政選挙 | Austria | | Q696657 |
| 10/3 | 1999 Indian general election1999年インド総選挙 | India | | Q10968265 |
| 10/3 | 1999 Australian motorcycle Grand Prix | Australia | | Q3114305 |
| 10/3 | Abkhazian constitutional referendum, 1999 | Republic of Abkhazia | | Q4668012 |
| 10/3 | 1999 Abkhazian presidential election | Republic of Abkhazia | | Q4376782 |
| 10/3 | 1999 Sikkim Legislative Assembly election | India | | Q105563062 |
| 10/3 | Ibar Highway assassination attempt | Federal Republic of Yugoslavia | Place: Ibar highway | Q5983692 |
| 10/3 | 1999 Louisiana gubernatorial election1999年ルイジアナ州知事選挙 | United States | | Q6689396 |
| 10/3 | 1999 Arunachal Pradesh Legislative Assembly election | India | | Q104882584 |
| 10/3 | 1999 Indian general election in Madhya Pradesh | India | | Q124696105 |
| 10/5 | Ladbroke Grove rail crashラドブローク・グローブ事故 | United Kingdom | Place: Ladbroke Grove | Q2728539 |
| 10/5 | 1999 UCI Road World Championships – Women's time trial | Italy | | Q2995909 |
| 10/6 | Optional Protocol to the Convention on the Elimination of All Forms of Discrimination against Women女子に対するあらゆる形態の差別の撤廃に関する条約の選択議定書 | United States | Place: New York City | Q7099022 |
| 10/7 | Elistanzhi cluster bomb attack | Russia | Place: Elistanzhi | Q5361872 |
| 10/7 | 1999 Maharashtra Legislative Assembly election | India | | Q6733381 |
| 10/7 | 1999 Burmese Embassy Siege | Thailand | Place: Embassy of Myanmar, Bangkok | Q4594554 |
| 10/8 | Mikenskaya shooting | Russia | Place: Chechnya | Q124733153 |
| 10/9 | 1999 UCI Road World Championships – Women's road race | Italy | Place: Verona | Q4595197 |
| 10/10 | 1999 Portuguese legislative election1999年ポルトガル議会選挙 | Portugal | | Q2053121 |
| 10/10 | 1999 Kazakh legislative election | Kazakhstan | | Q3607938 |
| 10/10 | 1999 Berlin state election | Germany | | Q2539350 |
| 10/10 | Heroes of Wrestling | United States | | Q5743267 |
| 10/11 | 1999 Air Botswana incident1999年エア・ボツワナATR 42事件 | Botswana | Place: Sir Seretse Khama International Airport | Q4594461 |
| 10/11 | 1999 Karnataka Legislative Assembly election | India | | Q6372859 |
| 10/12 | 1999 Pakistani coup d'état1999年パキスタン軍事クーデター | Pakistan | Place: Pakistan | Q2352036 |
| 10/12 | Day of Six Billion60億人の日 | Unknown | | Q8771177 |
| 10/12 | murder of Björn Söderberg | Sweden | | Q114827563 |
| 10/14 | 1999 United Nations Security Council election1999年国連安保理 非常任理事国選挙 | Unknown | | Q4128635 |
| 10/14 | British Independent Film Awards 1999第2回英国インディペンデント映画賞 | United Kingdom | Place: Hotel Café Royal | Q919506 |
| 10/15 | October 15, 19991999年10月15日 | Unknown | | Q69302957 |
| 10/16 | 1999 Botswana general election | Botswana | | Q3722326 |
| 10/16 | 1999 Hector Mine earthquakeヘクターマイン地震 | Unknown | | Q4594753 |
| 10/16 | disappearance of Raisa Räisänen | Finland | Place: Tampere | Q20379246 |
| 10/16 | 1999 Botswana local elections | Botswana | | Q122984668 |
| 10/16 | Battle of Aidabasalala | Timor-Leste | | Q4870230 |
| 10/17 | Catalonian parliamentary election, 19991999年カタルーニャ自治州議会選挙 | Spain | | Q126044 |
| 10/17 | Freedom March | Belarus | Place: Minsk | Q57816521 |
| 10/17 | 1999 Ålandic legislative election | Finland | | Q4345583 |
| 10/17 | FedEx Express Flight 87フェデックス87便オーバーラン事故 | Unknown | | Q109366470 |
| 10/17 | 1999 Honda Indy 300 | Australia | Place: Surfers Paradise Street Circuit | Q4594758 |
| 10/20 | 1999 Indonesian presidential election1999年インドネシア大統領選挙 | Indonesia | | Q109284171 |
| 10/20 | 1999 Jersey general election | Jersey | | Q6185002 |
| 10/21 | Grozny ballistic missile attack | Russia | Place: Grozny | Q5611791 |
| 10/24 | 1999 Swiss federal election | Switzerland | | Q693226 |
| 10/24 | 1999 Rio de Janeiro motorcycle Grand Prix | Brazil | Place: Autódromo Internacional Nelson Piquet | Q3114514 |
| 10/24 | 1999 Argentine presidential election | Argentina | | Q921224 |
| 10/24 | 1999 Tunisian parliamentary election | Tunisia | | Q1385876 |
| 10/24 | 1999 Chicago Marathonシカゴ・マラソン1999 | United States | Place: Chicago | Q2676150 |
| 10/24 | Tunisian presidential election, 1999 | Tunisia | | Q58113354 |
| 10/24 | 1999 Tunisian general election | Tunisia | | Q958360 |
| 10/25 | 1999 South Dakota Learjet crash1999年リアジェット35墜落事故 | United States | Place: Edmunds County | Q4595096 |
| 10/25 | 1999 United Nations Climate Change Conference第5回気候変動枠組条約締約国会議 | Germany | Place: Maritim Hotel Bonn | Q23786338 |
| 10/26 | murder of Shiori InoJapan桶川ストーカー殺人事件 | Japan | Place: Okegawa Station | Q6938059 |
| 10/27 | 1999 Armenian parliament shootingアルメニア議会銃撃事件 | Armenia | Place: National Assembly of Armenia Building | Q1975720 |
| 10/29 | Baku-Rostov highway bombing | Unknown | | Q4849575 |
| 10/30 | 1999 incheon Beer Hope Fire仁川仁峴洞ビヤホール火災 | South Korea | Place: Old downtown area of Jung District, Incheon | Q6875957 |
| 10/30 | 1999 Norwegian Football Cup Final | Norway | Place: Ullevaal Stadion | Q23042268 |
| 10/31 | EgyptAir Flight 990エジプト航空990便墜落事故 | United States | Place: Atlantic Ocean | Q722529 |
| 10/31 | 1999 Ukrainian presidential election1999年ウクライナ大統領選挙 | Ukraine | | Q2609115 |
| 10/31 | 1999 Uruguayan general election1999年ウルグアイ総選挙 | Uruguay | | Q176133 |
| 10/31 | 1999 Argentine motorcycle Grand Prix | Argentina | Place: Oscar and Juan Gálvez Race Track | Q3114293 |
| 10/31 | 1999 Georgian parliamentary election1999年ジョージア議会選挙 | Georgia | | Q3651340 |
| 10/31 | 1999 Macedonian presidential election | North Macedonia | | Q3408158 |
| 10/31 | 1999 Marlboro 500 | United States | Place: Auto Club Speedway | Q4594881 |
| 10/31 | Uruguayan referendum, 1999 | Uruguay | | Q7901506 |
| 10/31 | 120th Tenno ShoJapan第120回天皇賞 | Japan | Place: Tokyo Racecourse | Q136343348 |
| 10/31 | 1999 Japan CupJapanジャパンカップサイクルロードレース1999 | Japan | | Q3807090 |
| 11/1 | November 19991999年11月 | Unknown | | Q547555 |
| 11/1 | Deaths in November 1999訃報 1999年11月 | Unknown | | Q4475433 |
| 11/1 | 1999 Karjala Tournament | Finland | | Q1729645 |
| 11/1 | 1999 Stockholm Open | Sweden | Place: Royal Tennis Hall | Q3973739 |
| 11/1 | Bad Reichenhall shooting | Unknown | Place: Bad Reichenhall | Q22690128 |
| 11/1 | 1999 Trophée Lalique | France | Place: Accor Arena | Q128556 |
| 11/1 | 1999 Cup of Russia | Russia | Place: Petersburg Sports and Concert Complex | Q4594615 |
| 11/1 | 1999 Skate Canada International1999年スケートカナダ | Canada | Place: Saint John | Q4595088 |
| 11/1 | 1999 Sparkassen Cup on Ice | Germany | Place: Emscher-Lippe-Halle | Q4595102 |
| 11/1 | Oddusuddan offensive | Sri Lanka | Place: Sri Lanka | Q7077539 |
| 11/2 | 1999 Philadelphia mayoral election | United States | | Q5827587 |
| 11/2 | 1999 San Francisco mayoral election | United States | | Q7414184 |
| 11/2 | Xerox murders | Unknown | Place: Honolulu | Q17107611 |
| 11/3 | Morumbi Shopping shooting | Brazil | Place: Shopping Morumbi | Q73494151 |
| 11/4 | 1999 United States gubernatorial elections1999年アメリカ合衆国州知事選挙 | United States | | Q1540411 |
| 11/6 | Australian republic referendum1999年オーストラリア国民投票 | Australia | Place: Australia | Q2559142 |
| 11/6 | 1999 Tajik presidential election | Tajikistan | | Q7676844 |
| 11/6 | 1999 Rugby World Cup Final | United Kingdom | Place: Millennium Stadium | Q4595056 |
| 11/6 | 27th Annie Awards第27回アニー賞 | United States | Place: Los Angeles | Q4632577 |
| 11/6 | 1999 Estonian Supercup | Estonia | | Q116790573 |
| 11/7 | 1999 New York City Marathonアメリカ合衆国、ニューヨークで開催したマラソン大会 | United States | Place: New York City | Q2158584 |
| 11/7 | 1999 Guatemalan general election | Guatemala | | Q5614290 |
| 11/7 | 1999 Checker Auto Parts/Dura Lube 500k | United States | Place: Phoenix Raceway | Q113962061 |
| 11/7 | 60th Kikuka ShoJapan第60回菊花賞 | Japan | Place: Kyoto Racecourse | Q140198606 |
| 11/7 | November to Remember | United States | Place: Buffalo | Q30668008 |
| 11/8 | Brigitte Muller case | France | Place: Ingwiller | Q55595371 |
| 11/9 | TAESA Flight 725TAESA725便墜落事故 | Mexico | Place: Uruapan del Progreso | Q7669220 |
| 11/9 | 1999 Kentucky gubernatorial election1999年ケンタッキー州知事選挙 | United States | | Q6392443 |
| 11/11 | 1999 MTV Europe Music Awards1999年度のMTVヨーロッパ音楽祭 | Unknown | Place: Point Theatre | Q1059593 |
| 11/11 | Via Giotto in Foggia building collapseフォッジャアパート崩壊事故 | Italy | Place: Foggia | Q7924381 |
| 11/12 | Düzce earthquake of 1999デュズジェ地震 | Turkey | Place: Düzce | Q3505096 |
| 11/12 | Si Fly Flight 325 | Unknown | | Q17143589 |
| 11/13 | Latvian pensions referendum, 1999 | Latvia | | Q4393784 |
| 11/13 | Nagoya Nishi-ku Housewife MurderJapan名古屋市西区主婦殺害事件 | Japan | Place: Inō-chō | Q11415125 |
| 11/14 | 1999 Macedonian presidential election | North Macedonia | | Q3408158 |
| 11/14 | 1999 Pennzoil 400 | United States | Place: Homestead-Miami Speedway | Q24260855 |
| 11/19 | 1999 Maldivian parliamentary election | Maldives | | Q6742850 |
| 11/20 | Odi massacre | Nigeria | Place: Odi | Q3850911 |
| 11/26 | 1999 Ambrym earthquake | Vanuatu | | Q5943056 |
| 11/27 | 1999 New Zealand general election | New Zealand | | Q7016166 |
| 11/27 | Gnjilane massacre | Kosovo | | Q24915129 |
| 11/27 | 1999 Mnet Asian Music Awards | South Korea | Place: Universal Arts Center | Q17511584 |
| 11/28 | 東名高速飲酒運転事故Japan | Japan | | Q11103162 |
| 11/28 | 1999–2000 Guinea-Bissau general election1999年-2000年ギニアビサウ総選挙 | Guinea-Bissau | | Q5616449 |
| 11/28 | 1999 Hong Kong local elections1999年香港区議会選挙 | People's Republic of China | | Q5895262 |
| 11/28 | 1999-2000 Guinea-Bissau presidential election | Guinea-Bissau | Place: Guinea-Bissau | Q98399164 |
| 11/29 | 1999 Malaysian general election1999年マレーシア総選挙 | Malaysia | | Q564313 |
| 11/30 | 1999 Seattle WTO protests1999年シアトルWTO抗議 | Unknown | Place: Seattle Convention Center | Q2428844 |
| 11/30 | Multi-effect Protocol | Unknown | | Q11973520 |
| 11/30 | 1999 Namibian general election | Namibia | | Q387133 |
| 11/30 | Inaugurations of Leonid Kuchma | Ukraine | | Q107389818 |
| 12/1 | Indian Airlines flight 814 hijackingインディアン航空814便ハイジャック事件 | India | Place: Amritsar | Q2009640 |
| 12/1 | Vargas tragedyバルガスの悲劇 | Venezuela | Place: La Guaira state | Q2506366 |
| 12/1 | December 19991999年12月 | Unknown | | Q391017 |
| 12/1 | Deaths in December 1999訃報 1999年12月 | Unknown | | Q4475398 |
| 12/1 | Alkhan-Yurt massacre | Russia | | Q4727697 |
| 12/1 | Staropromyslovsky massacre | Russia | Place: Grozny | Q7602165 |
| 12/1 | 1999 Baltica Cup | Russia | | Q11039587 |
| 12/1 | 1999 NHK TrophyJapan1999年NHK杯国際フィギュアスケート競技大会 | Japan | Place: Nippon Gaishi Hall | Q2680938 |
| 12/1 | 1999 Namibian general election | Namibia | | Q387133 |
| 12/1 | 2000 millennium attack plots2000年攻撃計画 | Unknown | | Q4598087 |
| 12/1 | Murders of Lauria Bible and Ashley Freeman | Unknown | | Q55316552 |
| 12/1 | 1999 Namibian presidential election | Namibia | | Q61910827 |
| 12/1 | 2000 French Figure Skating Championships | France | Place: Courchevel | Q2955055 |
| 12/1 | 2000 Russian Figure Skating Championships | Russia | Place: Moscow | Q4509733 |
| 12/1 | 1999–2000 Japan Figure Skating ChampionshipsJapan第68回全日本フィギュアスケート選手権 | Japan | Place: Fukuoka | Q4595539 |
| 12/3 | 1999 Grozny refugee convoy shooting | Russia | | Q4594742 |
| 12/3 | Worcester Cold Storage Warehouse fire | United States | | Q14716050 |
| 12/4 | Miss World 1999ミス・ワールド1999 | Unknown | Place: Olympia London | Q2707425 |
| 12/4 | 12th European Film Awards第12回ヨーロッパ映画賞 | Germany | Place: Berlin | Q1123819 |
| 12/4 | wedding of Prince Philippe and Mathilde d'Udekem d'Acoz | Belgium | Place: Cathedral of St. Michael and St. Gudula | Q9700633 |
| 12/5 | 1999 Uzbek parliamentary election | Uzbekistan | | Q7904732 |
| 12/7 | Asian Spirit Flight 100 | Philippines | | Q4806746 |
| 12/8 | 1999 Khulna mosque bombing | Bangladesh | Place: Khulna | Q28221565 |
| 12/8 | Nairobi Agreement, 1999 | Unknown | | Q6959772 |
| 12/8 | ベラルーシ・ロシア連合国家創設条約 | Unknown | | Q11236974 |
| 12/9 | International Convention for the Suppression of the Financing of Terrorism | United States | Place: New York City | Q6049812 |
| 12/9 | December 9, 19991999年12月9日 | Unknown | | Q28133653 |
| 12/10 | Disappearance of Michael Negrete | United States | Place: University of California, Los Angeles | Q55609688 |
| 12/11 | SATA Air Açores Flight 530M | Unknown | Place: São Jorge Island | Q10392496 |
| 12/11 | VLS-1 V02 | Brazil | | Q113864958 |
| 12/11 | 1999 Luzon earthquake | Philippines | | Q5941752 |
| 12/12 | 1999–2000 Chilean presidential election | Chile | | Q3722551 |
| 12/12 | 1999 Turkmen parliamentary election | Turkmenistan | | Q7855451 |
| 12/12 | 36th Golden Horse Film Awards第36回金馬奨 | Taiwan | Place: National Dr. Sun Yat-sen Memorial Hall | Q15900264 |
| 12/12 | 1999 Andorran local elections | Andorra | | Q39087797 |
| 12/14 | 1999 San Francisco mayoral election | United States | | Q7414184 |
| 12/15 | Venezuelan Constitutional Referendum, December 1999 | Venezuela | | Q5400637 |
| 12/15 | 1999 Swiss Federal Council election | Switzerland | | Q1006583 |
| 12/18 | attempted assassination of Chandrika Kumaratungaチャンドリカ・クマーラトゥンガ暗殺未遂事件 | Sri Lanka | Place: Colombo | Q118288919 |
| 12/19 | 1999 Russian legislative election1999年ロシア下院選挙 | Russia | | Q910470 |
| 12/19 | Starrcade | United States | | Q506816 |
| 12/19 | Star Awards 1999 | Unknown | | Q17033006 |
| 12/20 | transfer of sovereignty over Macauマカオ返還 | People's Republic of China, Portugal | Place: Macau | Q847839 |
| 12/21 | Cubana de Aviación Flight 1216クバーナ航空1216便オーバーラン事故 | Guatemala | Place: La Aurora International Airport | Q5192132 |
| 12/21 | 1999 Sri Lankan presidential election1999年スリランカ大統領選挙 | Sri Lanka | | Q7586123 |
| 12/22 | Korean Air Cargo Flight 8509大韓航空8509便墜落事故 | United Kingdom | Place: London | Q491520 |
| 12/22 | 1999 Aïn Témouchent earthquake1999年アイン・ティムシェント地震 | Algeria | | Q5943144 |
| 12/24 | 1999 Ivorian coup d'état | Ivory Coast | | Q4594811 |
| 12/25 | Cubana de Aviación Flight 310クバーナ航空310便墜落事故 | Venezuela | Place: Bejuma | Q5192131 |
| 12/26 | Cyclone Lotharロタール | Unknown | | Q520286 |
| 12/26 | 44th Arima KinenJapan第44回有馬記念 | Japan | Place: Nakayama Racecourse | Q11601200 |
| 12/27 | 1999 Blayais Nuclear Power Plant flood1999年ブレイエ原子力発電所の洪水 | France | Place: Blayais Nuclear Power Plant | Q2837737 |
| 12/29 | Republic of the Congo civil warコンゴ共和国内戦 | Republic of the Congo | Place: Republic of the Congo | Q1021172 |
| 12/31 | 50th NHK Kōhaku Uta GassenJapan第50回NHK紅白歌合戦 | Japan | | Q11601333 |