| Jan(day unknown) | 1962–63 Four Hills TournamentSource：Wikidata | Unknown | |
| 1/1 | Vienna New Year's Concert 1963Source：Wikidata | Unknown | |
| 1/1 | Bogle-Chandler caseDetailsPlace: Lane Cove River | Australia | Place: Lane Cove River |
| 1/2 | Battle of Ap BacSource：Wikidata | Unknown | |
| 1/4 | 愛知大学山岳部薬師岳遭難事故JapanDetailsPlace: Mount Yakushi | Japan | Place: Mount Yakushi |
| 1/5 | 1963 New Zealand Grand PrixSource：Wikidata | New Zealand | |
| 1/6 | Brazilian constitutional referendum, 1963Source：Wikidata | Brazil | |
| 1/9 | January 1963 lunar eclipseSource：Wikidata | Unknown | |
| 1/13 | 1963 Togolese coup d'étatSource：Wikidata | Togo | |
| 1/14 | John F. Kennedy's Third State of the Union AddressSource：Wikidata | United States | |
| 1/15 | Operation Trident (1963)DetailsPlace: Portuguese Guinea | Unknown | Place: Portuguese Guinea |
| 1/16 | 1963 NBA All-Star GameDetailsPlace: Los Angeles Memorial Sports Arena | Canada | Place: Los Angeles Memorial Sports Arena |
| 1/18 | Elfstedentocht 1963DetailsPlace: Friesland | Netherlands | Place: Friesland |
| 1/18 | 1963 Labour Party leadership electionSource：Wikidata | United Kingdom | |
| 1/22 | Élysée TreatyDetailsPlace: Élysée Palace | France, Germany | Place: Élysée Palace |
| 1/23 | 1963 Kuwaiti general electionSource：Wikidata | Kuwait | |
| 1/24 | 1963 Elephant Mountain B-52 crashSource：Wikidata | United States | |
| 1/24 | 1963 Fukagawa gas explosionJapanOriginal title: 深川都市ガス爆発事故DetailsPlace: Miyoshi | Japan | Place: Miyoshi |
| 1/25 | solar eclipse of January 25, 1963Source：Wikidata | Unknown | |
| 1/26 | Iranian constitutional referendumDetailsPlace: Iran | Iran | Place: Iran |
| 2/1 | 1963 Ankara mid-air collisionDetailsPlace: Ankara | Unknown | Place: Ankara |
| 2/10 | Ramadan RevolutionDetailsPlace: First Republic of Iraq | First Republic of Iraq | Place: First Republic of Iraq |
| 2/10 | Melodi Grand Prix 1963Source：Wikidata | Norway | |
| 2/10 | 1963 Australian Grand PrixSource：Wikidata | Australia | |
| 2/10 | 1963 Paraguayan general electionSource：Wikidata | Paraguay | |
| 2/12 | Northwest Airlines Flight 705DetailsPlace: Everglades | United States | Place: Everglades |
| 2/13 | 1963 Su-ao earthquakeSource：Wikidata | Unknown | |
| 2/16 | Fire at C&A AmsterdamDetailsPlace: Amsterdam-Centrum | Netherlands | Place: Amsterdam-Centrum |
| 2/17 | 1963 West Berlin state electionSource：Wikidata | Germany | |
| 2/21 | 1963 Marj earthquakeSource：Wikidata | Libya | |
| 2/24 | Denmark in the Eurovision Song Contest 1963Source：Wikidata | Denmark | |
| 2/24 | 1963 Daytona 500DetailsPlace: Daytona International Speedway | United States | Place: Daytona International Speedway |
| Mar(day unknown) | 1963 Surinamese general electionSource：Wikidata | Suriname | |
| 3/2 | 1963 Omloop Het VolkSource：Wikidata | Belgium | |
| 3/3 | Senegalese prime ministerial referendum, 1963Source：Wikidata | Senegal | |
| 3/5 | 20th Golden Globe AwardsDetailsPlace: Los Angeles | United States | Place: Los Angeles |
| 3/5 | Aeroflot Flight 191DetailsPlace: Ashgabat | Soviet Union | Place: Ashgabat |
| 3/5 | 1963 Camden PA-24 crashSource：Wikidata | United States | |
| 3/7 | 1963 Hong Kong municipal electionSource：Wikidata | United Kingdom | |
| 3/8 | 1963 Syrian coup d'étatDetailsPlace: Syria | Second Syrian Republic | Place: Syria |
| 3/15 | Game of ChangeDetailsPlace: Jenison Fieldhouse | United States | Place: Jenison Fieldhouse |
| 3/16 | 1963 Harelbeke-Antwerpen-HarelbekeSource：Wikidata | Belgium | |
| 3/23 | Eurovision Song Contest 1963DetailsPlace: Television Centre | United Kingdom | Place: Television Centre |
| 3/23 | 1963 NCAA University Division basketball championship gameDetailsPlace: Freedom Hall | United States | Place: Freedom Hall |
| 3/24 | 1963 Gent–WevelgemSource：Wikidata | Belgium | |
| 3/27 | 1963 Cape Echizen earthquakeJapanOriginal title: 越前岬沖地震Source：Wikidata | Japan | |
| 3/30 | 1963 Guatemalan coup d'étatSource：Wikidata | Guatemala | |
| 3/30 | 1963 Lombank TrophyDetailsPlace: Snetterton Motor Racing Circuit | Unknown | Place: Snetterton Motor Racing Circuit |
| 3/30 | Itavia Flight 703Source：Wikidata | Italy | |
| 3/31 | 1963 Rhineland-Palatinate state electionSource：Wikidata | Germany | |
| Apr(day unknown) | 1963 Japanese unified local electionsJapanOriginal title: 第5回統一地方選挙Source：Wikidata | Japan | |
| 4/1 | 1963 Costa Rican censusDetailsPlace: Costa Rica | Costa Rica | Place: Costa Rica |
| 4/2 | Luna 4Source：Wikidata | Unknown | |
| 4/3 | 1963 Brabantse PijlSource：Wikidata | Belgium | |
| 4/4 | Aeroflot Flight 25DetailsPlace: Kazan | Soviet Union | Place: Kazan |
| 4/7 | Lebanon v Tunisia (1963 Arab Nations Cup)DetailsPlace: Camille Chamoun Sports City Stadium | Lebanon | Place: Camille Chamoun Sports City Stadium |
| 4/8 | 35th Academy AwardsDetailsPlace: Santa Monica Civic Auditorium | United States | Place: Santa Monica Civic Auditorium |
| 4/8 | 1963 Canadian federal electionSource：Wikidata | Canada | |
| 4/12 | Battle of Tebedu and GumbangDetailsPlace: Sarawak | Unknown | Place: Sarawak |
| 4/14 | 1963 South Boston 400DetailsPlace: South Boston Speedway | United States | Place: South Boston Speedway |
| 4/15 | 1963 Glover TrophySource：Wikidata | Unknown | |
| 4/15 | 1963 Pau Grand PrixSource：Wikidata | France | |
| 4/16 | 1963 Grand Prix de DenainSource：Wikidata | France | |
| 4/16 | 1963 Paris–CamembertSource：Wikidata | France | |
| 4/17 | 1963 Hokkaido gubernatorial electionJapanOriginal title: 1963年北海道知事選挙Source：Wikidata | Japan | |
| 4/17 | Tokyo gubernatorial election, 1963JapanOriginal title: 1963年東京都知事選挙Source：Wikidata | Japan | |
| 4/19 | 1963 Boston MarathonDetailsPlace: Boston | United States | Place: Boston |
| 4/21 | 1963 Imola Grand PrixDetailsPlace: Imola Circuit | Italy | Place: Imola Circuit |
| 4/22 | 1963 New Brunswick general electionSource：Wikidata | Canada | |
| 4/24 | Vienna Convention on Consular RelationsDetailsPlace: Vienna | Austria | Place: Vienna |
| 4/24 | wedding of Princess Alexandra and Angus OgilvyDetailsPlace: Westminster Abbey | United Kingdom | Place: Westminster Abbey |
| 4/25 | 1963 Syracuse Grand PrixSource：Wikidata | Unknown | |
| 4/26 | Massacre of 26 of April 1963DetailsPlace: Port-au-Prince | Haiti | Place: Port-au-Prince |
| 4/26 | ハンブルク国際園芸博覧会JapanSource：Wikipedia | Japan | |
| 4/27 | 1963 Aintree 200Source：Wikidata | Unknown | |
| 4/28 | 1963 Italian general electionSource：Wikidata | Italy | |
| 4/28 | 1963 Austrian presidential electionSource：Wikidata | Austria | |
| 4/28 | 1963 Italian general election in VenetoSource：Wikidata | Italy | |
| 4/30 | 1963 NBA DraftSource：Wikidata | United States | |
| May(day unknown) | 1963 Copa del Generalísimo de BaloncestoDetailsPlace: San Sebastián | Spain | Place: San Sebastián |
| 5/2 | Children's CrusadeSource：Wikidata | Unknown | |
| 5/5 | 1963 Togolese general electionSource：Wikidata | Togo | |
| 5/5 | Togolese constitutional referendum, 1963Source：Wikidata | Togo | |
| 5/5 | 1963 Targa FlorioSource：Wikidata | Unknown | |
| 5/6 | 1963 La Flèche WallonneSource：Wikidata | Belgium | |
| 5/6 | Convention on the Reduction of Cases of Multiple Nationality and on Military Obligations in Cases of Multiple NationalitySource：Wikidata | Unknown | |
| 5/6 | Protocol 2 to the European Convention on Human RightsSource：Wikidata | Unknown | |
| 5/6 | Protocol 3 to the European Convention on Human RightsSource：Wikidata | Unknown | |
| 5/7 | 15th Writers Guild of America AwardsDetailsPlace: The Beverly Hilton | United States | Place: The Beverly Hilton |
| 5/7 | 1963 Liberian general electionSource：Wikidata | Liberia | |
| 5/8 | Huế Phật Đản shootingsDetailsPlace: South Vietnam | Unknown | Place: South Vietnam |
| 5/8 | 1963 Grote Prijs Jef ScherensSource：Wikidata | Belgium | |
| 5/11 | Birmingham riot of 1963DetailsPlace: Birmingham | United States | Place: Birmingham |
| 5/11 | 1963 BRDC International TrophySource：Wikidata | Unknown | |
| 5/15 | Mercury-Atlas 9DetailsCrew: Gordon Cooper · Operator: National Aeronautics and Space Administration · Landing (UTC): May 16, 1963 | United States | Crew: Gordon Cooper · Operator: National Aeronautics and Space Administration · Landing (UTC): May 16, 1963 |
| 5/15 | 1963 Dutch general electionSource：Wikidata | Netherlands | |
| 5/16 | 1963 Bermudian general electionSource：Wikidata | United Kingdom | |
| 5/16 | 1963年オランダ上院選挙Source：Wikidata | Netherlands | |
| 5/17 | 1963 Moroccan general electionSource：Wikidata | Morocco | |
| 5/19 | 1963 Lower Saxony state electionSource：Wikidata | Germany | |
| 5/19 | 1963 Rome Grand PrixSource：Wikidata | Unknown | |
| 5/20 | 1963 Turkish coup attemptSource：Wikidata | Turkey | |
| 5/21 | Vienna Convention on Civil Liability for Nuclear DamageSource：Wikidata | Unknown | |
| 5/21 | 1963 Israeli presidential electionSource：Wikidata | Israel | |
| 5/23 | 1963 Coupe de France FinalDetailsPlace: Parc des Princes | France | Place: Parc des Princes |
| 5/26 | 1963 Kenyan general electionSource：Wikidata | Kenya | |
| 5/31 | 1963 Sint Maarten general electionSource：Wikidata | Sint Maarten | |
| 5/31 | 1963 Aruban general electionSource：Wikidata | Aruba | |
| 6/2 | 1963 Coppa Italia FinalDetailsPlace: Giuseppe Meazza Stadium | Italy | Place: Giuseppe Meazza Stadium |
| 6/3 | Northwest Orient Airlines Flight 293DetailsPlace: Gulf of Alaska | Unknown | Place: Gulf of Alaska |
| 6/3 | Huế chemical attacksDetailsPlace: Huế | South Vietnam | Place: Huế |
| 6/3 | Therhi MassacreDetailsPlace: Therhi | Pakistan | Place: Therhi |
| 6/4 | 1963 Gullegem KoerseSource：Wikidata | Belgium | |
| 6/9 | 1963 Icelandic parliamentary electionSource：Wikidata | Iceland | |
| 6/9 | 1963 Sicilian regional electionSource：Wikidata | Italy | |
| 6/9 | 1963 Peruvian general electionSource：Wikidata | Peru | |
| 6/9 | 1963 Mongolian legislative electionSource：Wikidata | Mongolia | |
| 6/10 | American University speechSource：Wikidata | United States | |
| 6/14 | Vostok 5DetailsCrew: Valery Bykovsky · Operator: Soviet space program · Landing (UTC): June 19, 1963 | Soviet Union, Russia | Crew: Valery Bykovsky · Operator: Soviet space program · Landing (UTC): June 19, 1963 |
| 6/16 | Vostok 6DetailsCrew: Valentina Tereshkova · Operator: Soviet space program · Landing (UTC): June 19, 1963 | Soviet Union, Russia | Crew: Valentina Tereshkova · Operator: Soviet space program · Landing (UTC): June 19, 1963 |
| 6/16 | 1963 Championnat National 1 FinalDetailsPlace: Stade 20 Août 1955 | Algeria | Place: Stade 20 Août 1955 |
| 6/16 | crash of a TAROM Il-14P near BékéssámsonDetailsPlace: Békéssámson | Hungary | Place: Békéssámson |
| 6/17 | 1963 Alberta general electionSource：Wikidata | Canada | |
| 6/22 | 1963 Giro del TrentinoSource：Wikidata | Italy | |
| 6/23 | Eleventh government of IsraelSource：Wikidata | Israel | |
| 6/25 | Guarding of Machinery Convention, 1963DetailsPlace: Geneva | Switzerland | Place: Geneva |
| 6/25 | Danish land laws referendum, 1963Source：Wikidata | Denmark | |
| 6/26 | Ich bin ein BerlinerDetailsPlace: John-F.-Kennedy-Platz | Germany | Place: John-F.-Kennedy-Platz |
| 6/28 | Greenlandic general election, 1963Source：Wikidata | Greenland | |
| 6/28 | 1963 Iraq Central FA Altruism CupDetailsPlace: Baghdad | Iraq | Place: Baghdad |
| 6/30 | Ciaculli massacreDetailsPlace: Ciaculli | Italy | Place: Ciaculli |
| 6/30 | coronation of Pope Paul VIDetailsPlace: Saint Peter's Square | Vatican City | Place: Saint Peter's Square |
| 6/30 | 1963 Taça de Portugal FinalDetailsPlace: Estádio Nacional | Portugal | Place: Estádio Nacional |
| Jul(day unknown) | 1963 European Ladies' Team ChampionshipSource：Wikidata | Denmark | |
| 7/2 | Mohawk Airlines Flight 121Source：Wikidata | United States | |
| 7/3 | New Zealand National Airways Corporation Flight 441Source：Wikidata | New Zealand | |
| 7/3 | Ar-Rashid revoltSource：Wikidata | First Republic of Iraq | |
| 7/6 | 1963 Jordanian general electionSource：Wikidata | Jordan | |
| 7/6 | July 1963 lunar eclipseSource：Wikidata | Unknown | |
| 7/7 | Double Seven Day scuffleSource：Wikidata | South Vietnam | |
| 7/7 | 1963 Argentine general electionSource：Wikidata | Argentina | |
| 7/7 | 1963 Speedorama 200DetailsPlace: Myrtle Beach Speedway | United States | Place: Myrtle Beach Speedway |
| 7/9 | 1963 Major League Baseball All-Star GameDetailsPlace: Cleveland Stadium | Unknown | Place: Cleveland Stadium |
| 7/11 | 1963 Ecuadorian coup d'étatSource：Wikidata | Ecuador | |
| 7/13 | Aeroflot Flight 12DetailsPlace: Irkutsk International Airport | Unknown | Place: Irkutsk International Airport |
| 7/18 | July 1963 Syrian coup attemptDetailsPlace: Damascus | Syrian Arab Republic | Place: Damascus |
| 7/18 | Operation BlowdownDetailsPlace: Iron Range | Australia | Place: Iron Range |
| 7/20 | Miss Universe 1963DetailsPlace: Miami Beach | Mexico | Place: Miami Beach |
| 7/20 | solar eclipse of July 20, 1963Source：Wikidata | Canada | |
| 7/26 | 1963 Skopje earthquakeSource：Wikidata | Socialist Federal Republic of Yugoslavia | |
| 7/28 | United Arab Airlines Flight 869 (1963)Source：Wikidata | India | |
| 7/28 | 8th David di Donatello AwardsDetailsPlace: Taormina | Italy | Place: Taormina |
| 7/28 | 1963 Solitude Grand PrixSource：Wikidata | Unknown | |
| 7/30 | 1963 Pickens 200DetailsPlace: Greenville-Pickens Speedway | United States | Place: Greenville-Pickens Speedway |
| Aug(day unknown) | Kwilu rebellionDetailsPlace: Democratic Republic of the Congo | Democratic Republic of the Congo | Place: Democratic Republic of the Congo |
| 8/5 | Partial Nuclear Test Ban TreatyDetailsPlace: Moscow | United Kingdom, Soviet Union, United States | Place: Moscow |
| 8/8 | Great Train RobberyDetailsPlace: Ledburn | United Kingdom | Place: Ledburn |
| 8/8 | 1963 Sandlapper 200DetailsPlace: Columbia Speedway | United States | Place: Columbia Speedway |
| 8/11 | 1963 Western North Carolina 500DetailsPlace: Asheville-Weaverville Speedway | United States | Place: Asheville-Weaverville Speedway |
| 8/12 | Air Inter Flight 2611Source：Wikidata | France | |
| 8/14 | 1963 DFB-Pokal FinalDetailsPlace: Niedersachsenstadion | Germany | Place: Niedersachsenstadion |
| 8/18 | 1963 Mediterranean Grand PrixSource：Wikidata | Unknown | |
| 8/21 | 1963 Aeroflot Tupolev Tu-124 Neva river ditchingDetailsPlace: Saint Petersburg | Russia | Place: Saint Petersburg |
| 8/21 | Xá Lợi Pagoda raidsSource：Wikidata | South Vietnam | |
| 8/24 | 1963 Hungarian parliamentary electionSource：Wikidata | Hungary | |
| 8/24 | Aeroflot Flight 663DetailsPlace: Georgian SSR | Unknown | Place: Georgian SSR |
| 8/28 | I Have a DreamDetailsPlace: Lincoln Memorial | United States | Place: Lincoln Memorial |
| 8/28 | March on Washington for Jobs and FreedomSource：Wikidata | United States | |
| 9/1 | Miss Italy 1963Source：Wikidata | Italy | |
| 9/3 | Battle of Go CongDetailsPlace: Gò Công | Vietnam | Place: Gò Công |
| 9/4 | Swissair Flight 306DetailsPlace: Canton of Aargau | Switzerland | Place: Canton of Aargau |
| 9/8 | Algerian constitutional referendum, 1963Source：Wikidata | Algeria | |
| 9/12 | Ankara AgreementDetailsPlace: Ankara | Unknown | Place: Ankara |
| 9/12 | 1963 Air Nautic Vickers Viking crashSource：Wikidata | Unknown | |
| 9/14 | Tokyo ConventionJapanOriginal title: 航空機内で行なわれた犯罪その他ある種の行為に関する条約DetailsPlace: Tokyo | Japan | Place: Tokyo |
| 9/15 | 16th Street Baptist Church bombingDetailsPlace: 16th Street Baptist Church | United States | Place: 16th Street Baptist Church |
| 9/15 | 1963 Algerian presidential electionSource：Wikidata | Algeria | |
| 9/16 | Protocol 4 to the European Convention on Human RightsDetailsPlace: Strasbourg | France | Place: Strasbourg |
| 9/17 | 1963 Iranian legislative electionSource：Wikidata | Iran | |
| 9/21 | 1963 Singaporean general electionSource：Wikidata | Malaysia | |
| 9/21 | 1963 International Gold CupSource：Wikidata | Unknown | |
| 9/22 | 1963 Old Dominion 500DetailsPlace: Martinsville Speedway | United States | Place: Martinsville Speedway |
| 9/24 | 1963 Boston mayoral electionSource：Wikidata | United States | |
| 9/25 | rowing at the 1963 Mediterranean GamesDetailsPlace: Naples | Italy | Place: Naples |
| 9/25 | 1963 Dominican coup d'étatSource：Wikidata | Dominican Republic | |
| 9/27 | 1963 South Vietnamese parliamentary electionSource：Wikidata | South Vietnam | |
| 9/28 | Battle of Long JawaiSource：Wikidata | Indonesia | |
| 9/28 | 1963 Guinean legislative electionSource：Wikidata | Guinea | |
| 9/29 | 1963 Bremen state electionSource：Wikidata | Germany | |
| 10/3 | 1963 Honduran coup d'étatDetailsPlace: Honduras | Honduras | Place: Honduras |
| 10/6 | 1963 Paris-ToursSource：Wikidata | France | |
| 10/6 | 1963 Argentine motorcycle Grand PrixSource：Wikidata | Argentina | |
| 10/7 | Ipatinga massacreSource：Wikidata | Brazil | |
| 10/8 | 1963 Nova Scotia general electionSource：Wikidata | Canada | |
| 10/9 | Vajont dam disasterDetailsPlace: Vajont Dam | Italy | Place: Vajont Dam |
| 10/13 | 1963 Kuril Islands earthquakeSource：Wikidata | Russia | |
| 10/13 | 1963 Honduran general electionSource：Wikidata | Honduras | |
| 10/15 | 1963 South Korean presidential electionSource：Wikidata | South Korea | |
| 10/20 | 1963 East German general electionSource：Wikidata | East Germany | |
| 10/21 | 1963 Mauritian general electionSource：Wikidata | Mauritius | |
| 10/22 | 1963 BAC One-Eleven test crashSource：Wikidata | United Kingdom | |
| 10/24 | Wunder von LengedeSource：Wikidata | Germany | |
| 10/26 | 1963 Scottish League Cup FinalDetailsPlace: Hampden Park | Unknown | Place: Hampden Park |
| 10/26 | Project ShoalDetailsPlace: Nevada | United States | Place: Nevada |
| 10/27 | 1963 Swiss federal electionSource：Wikidata | Switzerland | |
| 10/27 | 1963 Valdostan regional electionSource：Wikidata | Italy | |
| 10/28 | 1963 Dahomeyan coup d'étatSource：Wikidata | Republic of Dahomey | |
| 10/30 | 2nd Golden Horse Film AwardsSource：Wikidata | Taiwan | |
| 10/31 | 1963 Indiana State Fairgrounds Coliseum gas explosionDetailsPlace: Corteva Coliseum | United States | Place: Corteva Coliseum |
| Nov(day unknown) | Battle of Lak SaoSource：Wikidata | Unknown | |
| Nov(day unknown) | Massacre at 11th ParallelDetailsPlace: 11th parallel south | Brazil | Place: 11th parallel south |
| 11/1 | 1963 South Vietnamese coupDetailsPlace: Ho Chi Minh City | South Vietnam | Place: Ho Chi Minh City |
| 11/1 | 1963 United Nations Security Council electionSource：Wikidata | United Nations | |
| 11/2 | arrest and assassination of Ngo Dinh DiemDetailsPlace: Ho Chi Minh City | Unknown | Place: Ho Chi Minh City |
| 11/3 | 1963 Greek legislative electionSource：Wikidata | Greece | |
| 11/3 | 1963 Golden State 400DetailsPlace: Riverside International Raceway | United States | Place: Riverside International Raceway |
| 11/5 | 1963 United States gubernatorial electionsSource：Wikidata | United States | |
| 11/7 | Pad Abort Test 1DetailsPlace: White Sands Launch Complex 36 | Unknown | Place: White Sands Launch Complex 36 |
| 11/8 | Aero Flight 217DetailsPlace: Mariehamn Airport | Finland | Place: Mariehamn Airport |
| 11/9 | Tsurumi rail accidentJapanOriginal title: 鶴見事故Source：Wikidata | Japan | |
| 11/9 | Mitsui Miike Coal Mine disasterJapanOriginal title: 三井三池三川炭鉱炭じん爆発DetailsPlace: Miike coal mine | Japan | Place: Miike coal mine |
| 11/10 | 1964 Textile 250DetailsPlace: New Concord Speedway | United States | Place: New Concord Speedway |
| 11/11 | Kosmos 21Source：Wikidata | Unknown | |
| 11/17 | 1963 Turkish local electionsSource：Wikidata | Turkey | |
| 11/18 | November 1963 Iraqi coup d'étatDetailsPlace: First Republic of Iraq | First Republic of Iraq | Place: First Republic of Iraq |
| 11/18 | 1963 French Somaliland legislative electionSource：Wikidata | French Somaliland | |
| 11/21 | 1963 Japanese general electionJapanOriginal title: 第30回衆議院議員総選挙Source：Wikidata | Japan | |
| 11/22 | assassination of John F. KennedyDetailsPlace: Dealey Plaza | United States | Place: Dealey Plaza |
| 11/22 | first inauguration of Lyndon B. JohnsonDetailsPlace: Dallas Love Field | United States | Place: Dallas Love Field |
| 11/22 | Battle of Hiep HoaSource：Wikidata | Unknown | |
| 11/22 | John F. Kennedy autopsyDetailsPlace: Bethesda Naval Hospital Tower | United States | Place: Bethesda Naval Hospital Tower |
| 11/24 | Assassination of Lee Harvey OswaldDetailsPlace: Dallas Municipal Building | United States | Place: Dallas Municipal Building |
| 11/26 | 1963 South Korean legislative electionSource：Wikidata | South Korea | |
| 11/27 | Let Us ContinueDetailsPlace: United States Congress | Unknown | Place: United States Congress |
| 11/27 | Convention on the Unification of Certain Points of Substantive Law on Patents for InventionSource：Wikidata | Unknown | |
| 11/29 | Trans-Canada Air Lines Flight 831DetailsPlace: Quebec | Canada | Place: Quebec |
| 11/30 | 1963 Australian federal electionSource：Wikidata | Australia | |
| Dec(day unknown) | 1963–64 Four Hills TournamentSource：Wikidata | Unknown | |
| 12/1 | 1963 Venezuelan general electionSource：Wikidata | Venezuela | |
| 12/1 | 1963 Senegalese general electionSource：Wikidata | Senegal | |
| 12/1 | 1963 African Cup of Nations FinalDetailsPlace: Accra Sports Stadium | Ghana | Place: Accra Sports Stadium |
| 12/1 | 1964 Jacksonville 200DetailsPlace: Speedway Park | United States | Place: Speedway Park |
| 12/1 | Senegalese presidential election, 1963Source：Wikidata | Senegal | |
| 12/3 | 1963 North Korean local electionsSource：Wikidata | North Korea | |
| 12/4 | Homicide at the Brazilian SenateDetailsPlace: Federal Senate of Brazil | Brazil | Place: Federal Senate of Brazil |
| 12/8 | Pan Am Flight 214DetailsPlace: Maryland | United States | Place: Maryland |
| 12/9 | 1963 Goa, Daman and Diu Legislative Assembly electionSource：Wikidata | India | |
| 12/10 | High Commissioner AttackSource：Wikidata | Unknown | |
| 12/14 | 1963 Rand Grand PrixSource：Wikidata | Unknown | |
| 12/15 | Equatorial Guinean autonomy referendumSource：Wikidata | Spain | |
| 12/17 | Clean Air ActSource：Wikidata | United States | |
| 12/18 | 1963 Moscow protestDetailsPlace: Moscow | Soviet Union | Place: Moscow |
| 12/22 | 1963 Chadian parliamentary electionSource：Wikidata | Chad | |
| 12/27 | 5th Japan Record AwardsJapanOriginal title: 第5回日本レコード大賞DetailsPlace: Tokyo Metropolitan Hibiya Public Hall | Japan | Place: Tokyo Metropolitan Hibiya Public Hall |
| 12/30 | December 1963 lunar eclipseSource：Wikidata | Unknown | |