| Jan(day unknown) | Trial of the FourSource：Wikidata | Soviet Union | |
| Jan(day unknown) | Deaths in January 1968Source：Wikidata | Unknown | |
| Jan(day unknown) | speed skating at the 1968 Winter UniversiadeDetailsPlace: Olympia Eisstadion Innsbruck | Austria | Place: Olympia Eisstadion Innsbruck |
| Jan(day unknown) | 1967–68 Four Hills TournamentSource：Wikidata | Unknown | |
| Jan(day unknown) | Battle of Nam BacSource：Wikidata | Unknown | |
| Jan(day unknown) | figure skating at the 1968 Winter UniversiadeDetailsPlace: Innsbruck | Austria | Place: Innsbruck |
| 1/1 | Vienna New Year's Concert 1968Source：Wikidata | Unknown | |
| 1/2 | New Year's Day Battle of 1968DetailsPlace: South Vietnam | Unknown | Place: South Vietnam |
| 1/6 | Aeroflot Flight 1668DetailsPlace: Olyokminsk Airport | Unknown | Place: Olyokminsk Airport |
| 1/6 | 1968 New Zealand Grand PrixSource：Wikidata | New Zealand | |
| 1/7 | Surveyor 7DetailsOperator: National Aeronautics and Space Administration · Landing (UTC): January 10, 1968 | United States | Operator: National Aeronautics and Space Administration · Landing (UTC): January 10, 1968 |
| 1/8 | Croatia–Italy borderSource：Wikidata | Croatia, Italy | |
| 1/8 | Italy–Montenegro borderSource：Wikidata | Montenegro, Italy | |
| 1/11 | Hull triple trawler tragedyDetailsPlace: North Sea | Unknown | Place: North Sea |
| 1/13 | 1968 Belice earthquakeDetailsPlace: Sicily | Italy | Place: Sicily |
| 1/14 | 1967 Emperor's Cup FinalJapanOriginal title: 第47回天皇杯全日本サッカー選手権大会・決勝DetailsPlace: National Stadium in Tokyo | Japan | Place: National Stadium in Tokyo |
| 1/15 | 1968 Finnish presidential electionSource：Wikidata | Finland | |
| 1/17 | Blue House raidDetailsPlace: Blue House | Third Republic of South Korea | Place: Blue House |
| 1/17 | 1968 State of the Union AddressSource：Wikidata | United States | |
| 1/21 | 1968 Thule Air Base B-52 crashDetailsPlace: Thule Air Base | Greenland | Place: Thule Air Base |
| 1/21 | 1968 African Cup of Nations FinalDetailsPlace: Addis Ababa Stadium | Ethiopia | Place: Addis Ababa Stadium |
| 1/22 | Apollo 5DetailsOperator: National Aeronautics and Space Administration · Landing (UTC): January 23, 1968 | United States | Operator: National Aeronautics and Space Administration · Landing (UTC): January 23, 1968 |
| 1/23 | 1968 Danish general electionSource：Wikidata | Denmark | |
| 1/23 | 1968 NBA All-Star GameDetailsPlace: Madison Square Garden | Canada | Place: Madison Square Garden |
| 1/23 | Pueblo incidentSource：Wikidata | United States, North Korea | |
| 1/26 | 1968 Nauruan parliamentary electionSource：Wikidata | Nauru | |
| 1/31 | Tet Offensive attack on US EmbassyDetailsPlace: Embassy of the United States, Saigon | South Vietnam, Vietnam | Place: Embassy of the United States, Saigon |
| 1/31 | Tet Offensive attack on Tan Son Nhut Air BaseDetailsPlace: Tan Son Nhut Air Base | Unknown | Place: Tan Son Nhut Air Base |
| Feb(day unknown) | Japan at the 1968 Winter OlympicsJapanOriginal title: 1968年グルノーブルオリンピックの日本選手団Source：Wikidata | Japan | |
| Feb(day unknown) | Switzerland at the 1968 Winter OlympicsSource：Wikidata | Switzerland | |
| Feb(day unknown) | figure skating at the 1968 Winter Olympics – ladiesDetailsPlace: Palais des Sports Pierre Mendès France | France | Place: Palais des Sports Pierre Mendès France |
| Feb(day unknown) | figure skating at the 1968 Winter Olympics – menDetailsPlace: Palais des Sports Pierre Mendès France | France | Place: Palais des Sports Pierre Mendès France |
| Feb(day unknown) | figure skating at the 1968 Winter Olympics – pairsDetailsPlace: Palais des Sports Pierre Mendès France | France | Place: Palais des Sports Pierre Mendès France |
| Feb(day unknown) | Deaths in February 1968Source：Wikidata | Unknown | |
| 2/1 | Tet Offensive attack on Joint General Staff CompoundDetailsPlace: Ho Chi Minh City | Unknown | Place: Ho Chi Minh City |
| 2/4 | Hull triple trawler tragedyDetailsPlace: North Sea | Unknown | Place: North Sea |
| 2/5 | Battle of Bến TreSource：Wikidata | Unknown | |
| 2/7 | Canadian Pacific Air Lines Flight 322Source：Wikidata | Unknown | |
| 2/7 | 1968 Indian Air Force An-12 crashSource：Wikidata | India | |
| 2/8 | Orangeburg massacreDetailsPlace: Orangeburg | United States | Place: Orangeburg |
| 2/11 | 1968 Paraguayan general electionSource：Wikidata | Paraguay | |
| 2/12 | 25th Golden Globe AwardsDetailsPlace: Los Angeles | United States | Place: Los Angeles |
| 2/12 | Phong Nhi and Phong Nhat massacreDetailsPlace: Điện Bàn | Vietnam | Place: Điện Bàn |
| 2/16 | Civil Air Transport Flight 10Source：Wikidata | Unknown | |
| 2/19 | 1968 Aegean Sea earthquakeSource：Wikidata | Greece | |
| 2/19 | 1968 South African presidential electionSource：Wikidata | South Africa | |
| 2/20 | 1968 Australian Grand PrixSource：Wikidata | New Zealand | |
| 2/21 | 1968 Ebino earthquakeJapanOriginal title: えびの地震Source：Wikidata | Japan | |
| 2/25 | Ha My MassacreSource：Wikidata | South Vietnam | |
| 2/25 | 1968 Cypriot presidential electionSource：Wikidata | Cyprus | |
| 2/25 | 1968 Senegalese general electionSource：Wikidata | Senegal | |
| 2/25 | Senegalese presidential election, 1968Source：Wikidata | Senegal | |
| 2/28 | massacre at HuếDetailsPlace: Huế | South Vietnam | Place: Huế |
| 2/29 | Aeroflot Flight 15DetailsPlace: Bratsk | Unknown | Place: Bratsk |
| Mar(day unknown) | 1968 Polish political crisisSource：Wikidata | Polish People's Republic | |
| 3/1 | Battle of Valle GiuliaDetailsPlace: Rome | Italy | Place: Rome |
| 3/1 | Operation CoburgDetailsPlace: Trảng Bom | Unknown | Place: Trảng Bom |
| 3/2 | Battle of HueDetailsPlace: Huế | Vietnam | Place: Huế |
| 3/2 | Melodi Grand Prix 1968DetailsPlace: Centralteatret | Norway | Place: Centralteatret |
| 3/2 | Norway in the Eurovision Song Contest 1968Source：Wikidata | Norway | |
| 3/2 | 1968 Omloop Het VolkSource：Wikidata | Belgium | |
| 3/4 | Festival RTP da Canção 1968Source：Wikidata | Portugal | |
| 3/6 | Air France Flight 212 (1968)DetailsPlace: Pointe-à-Pitre | France | Place: Pointe-à-Pitre |
| 3/7 | Aeroflot Flight 3153DetailsPlace: Russian Soviet Federative Socialist Republic | Unknown | Place: Russian Soviet Federative Socialist Republic |
| 3/9 | 1968 Sainte-Marie Douglas DC-6 crashSource：Wikidata | France | |
| 3/9 | Shooting of William LeonardSource：Wikidata | Unknown | |
| 3/10 | 1968 Salvadoran legislative electionSource：Wikidata | El Salvador | |
| 3/15 | Maldivian constitutional referendum, 1968Source：Wikidata | Maldives | |
| 3/16 | My Lai MassacreDetailsPlace: Sơn Mỹ | South Vietnam | Place: Sơn Mỹ |
| 3/17 | 1968 Race of ChampionsDetailsPlace: Brands Hatch | Unknown | Place: Brands Hatch |
| 3/17 | 1968 Colombian parliamentary electionSource：Wikidata | Colombia | |
| 3/18 | Jabidah massacreDetailsPlace: Corregidor | Third Republic of the Philippines | Place: Corregidor |
| 3/20 | Avalanche in Biały JarSource：Wikidata | Poland | |
| 3/21 | Battle of KaramehDetailsPlace: Karameh | Jordan | Place: Karameh |
| 3/23 | 1968 Harelbeke-Antwerpen-HarelbekeSource：Wikidata | Belgium | |
| 3/24 | Aer Lingus Flight 712DetailsPlace: St George's Channel | Ireland | Place: St George's Channel |
| 3/24 | 1968 Dwars door VlaanderenSource：Wikidata | Belgium | |
| 3/24 | 1968 Lebanese general election in Beirut ISource：Wikidata | Lebanon | |
| 3/24 | 1968 Lebanese general election in Beirut IIISource：Wikidata | Lebanon | |
| 3/26 | 1968 Israeli presidential electionSource：Wikidata | Israel | |
| 3/26 | 4th Golden Bell AwardsDetailsPlace: Zhongshan Hall | Taiwan | Place: Zhongshan Hall |
| 3/27 | death of Yuri GagarinDetailsPlace: Novosyolovo | Soviet Union | Place: Novosyolovo |
| 3/27 | Ozark Air Lines Flight 965Source：Wikidata | United States | |
| 3/28 | solar eclipse of March 28, 1968Source：Wikidata | Unknown | |
| 3/30 | 1968 Czechoslovak presidential electionSource：Wikidata | Czechoslovakia | |
| 3/30 | Operation PatrickDetailsPlace: Bình Định | Unknown | Place: Bình Định |
| 3/31 | 1968 Belgian general electionSource：Wikidata | Belgium | |
| 3/31 | Abagana ambushDetailsPlace: Abagana | Nigeria | Place: Abagana |
| 3/31 | Dahomeyan constitutional referendum, 1968Source：Wikidata | Republic of Dahomey | |
| Apr(day unknown) | Wilmington Riot of 1968Source：Wikidata | United States | |
| 4/1 | 1968 Hyūga-nada earthquakeJapanOriginal title: 日向灘地震 (1968年)Source：Wikidata | Japan | |
| 4/2 | Frankfurt department store firebombings, 1968DetailsPlace: Frankfurt | Germany | Place: Frankfurt |
| 4/3 | 1968 NBA DraftSource：Wikidata | United States | |
| 4/3 | I've Been to the MountaintopDetailsPlace: Memphis | Unknown | Place: Memphis |
| 4/4 | Apollo 6DetailsOperator: National Aeronautics and Space Administration · Landing (UTC): April 4, 1968 | United States | Operator: National Aeronautics and Space Administration · Landing (UTC): April 4, 1968 |
| 4/4 | assassination of Martin Luther King Jr.DetailsPlace: Tennessee | United States | Place: Tennessee |
| 4/4 | Robert F. Kennedy's speech on the assassination of Martin Luther King, Jr.DetailsPlace: Indianapolis | United States | Place: Indianapolis |
| 4/5 | Hawker Hunter Tower Bridge incidentDetailsPlace: Tower Bridge | United Kingdom | Place: Tower Bridge |
| 4/5 | On the Mindless Menace of ViolenceDetailsPlace: Hotel Cleveland | United States | Place: Hotel Cleveland |
| 4/5 | AGREEMENT BETWEEN JAPAN AND THE UNITEDSTATES OF AMERICA CONCERNING NANPO SHOTOAND OTHER ISLANDSJapanSource：Wikidata | Japan, United States | |
| 4/5 | 1968 Detroit riotSource：Wikidata | United States | |
| 4/6 | Eurovision Song Contest 1968DetailsPlace: Royal Albert Hall | United Kingdom | Place: Royal Albert Hall |
| 4/6 | East German referendum, 1968Source：Wikidata | East Germany | |
| 4/7 | Luna 14Source：Wikidata | Unknown | |
| 4/7 | 1968 Chicago riotsDetailsPlace: Chicago | United States | Place: Chicago |
| 4/7 | 1968 Hickory 250DetailsPlace: Hickory Motor Speedway | United States | Place: Hickory Motor Speedway |
| 4/7 | 1968 Lebanese general electionSource：Wikidata | Lebanon | |
| 4/7 | 1968 Lebanese general election in Chouf DistrictSource：Wikidata | Lebanon | |
| 4/8 | BOAC Flight 712Source：Wikidata | United Kingdom | |
| 4/9 | Funeral of Martin Luther King, Jr.Source：Wikidata | Unknown | |
| 4/10 | 40th Academy AwardsDetailsPlace: Santa Monica Civic Auditorium | United States | Place: Santa Monica Civic Auditorium |
| 4/10 | Operation Mars (Portugal)DetailsPlace: Niassa Province | Unknown | Place: Niassa Province |
| 4/13 | April 1968 lunar eclipseSource：Wikidata | Unknown | |
| 4/14 | Baltimore riot of 1968Source：Wikidata | United States | |
| 4/14 | 1968 Brabantse PijlSource：Wikidata | Belgium | |
| 4/15 | Operation Scotland IISource：Wikidata | Unknown | |
| 4/16 | 1968 Grand Prix de DenainSource：Wikidata | France | |
| 4/16 | 1968 Gent–WevelgemSource：Wikidata | Belgium | |
| 4/16 | 1968 Paris–CamembertSource：Wikidata | France | |
| 4/18 | Sergeants' CoupSource：Wikidata | Sierra Leone | |
| 4/18 | 1968 Columbia 200DetailsPlace: Columbia Speedway | United States | Place: Columbia Speedway |
| 4/19 | 1968 Boston MarathonDetailsPlace: Boston | United States | Place: Boston |
| 4/19 | 1968 Singaporean general electionSource：Wikidata | Singapore | |
| 4/20 | South African Airways Flight 228DetailsPlace: Windhoek | Unknown | Place: Windhoek |
| 4/20 | Rivers of Blood speechSource：Wikidata | Unknown | |
| 4/21 | 1968 La Flèche WallonneSource：Wikidata | Belgium | |
| 4/21 | 1968 Valdostan regional electionSource：Wikidata | Italy | |
| 4/22 | Treaty of TlatelolcoDetailsPlace: Tlatelolco | Unknown | Place: Tlatelolco |
| 4/25 | 1968 BRDC International TrophySource：Wikidata | Unknown | |
| 4/27 | 1968 Scottish Cup FinalDetailsPlace: Hampden Park | United Kingdom | Place: Hampden Park |
| 4/28 | 1968 Baden-Württemberg state electionSource：Wikidata | Germany | |
| May(day unknown) | Deaths in May 1968Source：Wikidata | Unknown | |
| May(day unknown) | 1968 uprising in SenegalSource：Wikidata | Senegal | |
| 5/1 | 1968 Cook Islands general electionSource：Wikidata | Cook Islands | |
| 5/2 | United Arab Republic 30 March Program referendum, 1968Source：Wikidata | Syria | |
| 5/3 | Braniff Flight 352Source：Wikidata | United States | |
| 5/3 | Båstad riotsDetailsPlace: Båstad | Sweden | Place: Båstad |
| 5/3 | Battle of Dai DoSource：Wikidata | Unknown | |
| 5/5 | 1968 Targa FlorioSource：Wikidata | Italy | |
| 5/5 | May 1968 Dahomeyan presidential electionSource：Wikidata | Benin | |
| 5/5 | 1968 Züri-MetzgeteSource：Wikidata | Switzerland | |
| 5/5 | 1968 Fireball 300DetailsPlace: Asheville-Weaverville Speedway | United States | Place: Asheville-Weaverville Speedway |
| 5/6 | Battle of An BaoDetailsPlace: Bình Định | Unknown | Place: Bình Định |
| 5/9 | 1968 London local electionsSource：Wikidata | United Kingdom | |
| 5/11 | 1968 Rebel 400DetailsPlace: Darlington Raceway | United States | Place: Darlington Raceway |
| 5/12 | 1968 Kham Duc C-130 shootdownDetailsPlace: South Vietnam | Unknown | Place: South Vietnam |
| 5/12 | 1968 Haryana Legislative Assembly electionSource：Wikidata | Unknown | |
| 5/12 | 1968 Coupe de France FinalDetailsPlace: Yves du Manoir Stadium | France | Place: Yves du Manoir Stadium |
| 5/12 | 1968 Panamanian general electionSource：Wikidata | Panama | |
| 5/15 | 1968 Hansell-Charles City tornadoSource：Wikidata | United States | |
| 5/16 | Ronan PointSource：Wikidata | United Kingdom | |
| 5/16 | 1968 Tokachi earthquakeJapanOriginal title: 1968年十勝沖地震Source：Wikidata | Japan | |
| 5/17 | Operation DelawareDetailsPlace: A Shau Valley | Unknown | Place: A Shau Valley |
| 5/17 | 1968 Beltsville 300DetailsPlace: Beltsville Speedway | United States | Place: Beltsville Speedway |
| 5/18 | Miss USA 1968DetailsPlace: Miami Beach | United States | Place: Miami Beach |
| 5/18 | 1968 Tidewater 250DetailsPlace: Langley Speedway | United States | Place: Langley Speedway |
| 5/19 | 1968 Italian general electionSource：Wikidata | Italy | |
| 5/22 | 1968 Bermudian general electionSource：Wikidata | United Kingdom | |
| 5/22 | Los Angeles Airways Flight 841Source：Wikidata | United States | |
| 5/23 | 1968 Inangahua earthquakeSource：Wikidata | New Zealand | |
| 5/26 | H-dagurinnSource：Wikidata | Iceland | |
| 5/26 | 1968 Friuli-Venezia Giulia regional electionSource：Wikidata | Italy | |
| 5/27 | Grenelle agreementsSource：Wikidata | Unknown | |
| 5/28 | Garuda Indonesian Airways Flight 892DetailsPlace: Nala Sopara | India | Place: Nala Sopara |
| 5/30 | May OffensiveDetailsPlace: South Vietnam | Unknown | Place: South Vietnam |
| Jun(day unknown) | Borisoglebsky provocationDetailsPlace: Norway–Russia border | Unknown | Place: Norway–Russia border |
| Jun(day unknown) | Union of Democrats for the RepublicSource：Wikidata | France | |
| 6/2 | 1968 Ecuadorian general electionSource：Wikidata | Ecuador | |
| 6/2 | 1968 Turkish local electionsSource：Wikidata | Turkey | |
| 6/3 | attempted assassination of Andy WarholDetailsPlace: The Factory | United States | Place: The Factory |
| 6/4 | 1968 Gullegem KoerseSource：Wikidata | Belgium | |
| 6/5 | assassination of Robert F. KennedyDetailsPlace: Ambassador Hotel | United States | Place: Ambassador Hotel |
| 6/7 | European Convention on Information on Foreign LawSource：Wikidata | Unknown | |
| 6/9 | 1968 DFB-Pokal FinalDetailsPlace: Südweststadion | Unknown | Place: Südweststadion |
| 6/16 | 1968 Taça de Portugal FinalDetailsPlace: Estádio Nacional | Portugal | Place: Estádio Nacional |
| 6/21 | Sexta-Feira SangrentaDetailsPlace: Centro | Brazil | Place: Centro |
| 6/22 | Intervision Song Contest 1968DetailsPlace: Karlovy Vary | Czechoslovakia | Place: Karlovy Vary |
| 6/23 | 1968 French legislative electionSource：Wikidata | France | |
| 6/23 | The tragedy of gate 12DetailsPlace: Monumental Stadium, Buenos Aires | Argentina | Place: Monumental Stadium, Buenos Aires |
| 6/23 | 1968 French legislative election in the ComorosSource：Wikidata | Comoros | |
| 6/25 | 1968 Canadian federal electionSource：Wikidata | Canada | |
| 6/28 | Son Tra massacreSource：Wikidata | Vietnam | |
| 6/30 | 1968 Icelandic presidential electionSource：Wikidata | Iceland | |
| 7/1 | Treaty on the Non-Proliferation of Nuclear WeaponsDetailsPlace: London | Germany, Vatican City | Place: London |
| 7/1 | Seaboard World Airlines Flight 253ADetailsPlace: Burevestnik Airport | Soviet Union | Place: Burevestnik Airport |
| 7/1 | Shaoyang County MassacreSource：Wikidata | People's Republic of China | |
| 7/3 | BKS Air Transport Flight C.6845Source：Wikidata | United Kingdom | |
| 7/6 | Miss Universe Slovenia 1968DetailsPlace: Bled | Socialist Federal Republic of Yugoslavia | Place: Bled |
| 7/7 | 1968 Japanese House of Councillors electionJapanOriginal title: 第8回参議院議員通常選挙Source：Wikidata | Japan | |
| 7/7 | 1968 Islip 300DetailsPlace: Islip Speedway | United States | Place: Islip Speedway |
| 7/10 | The tornado over PforzheimSource：Wikidata | Germany | |
| 7/10 | 1968 Czech legislative electionSource：Wikidata | Czech Republic | |
| 7/10 | Chew Stoke flood of 1968Source：Wikidata | United Kingdom | |
| 7/13 | Miss Universe 1968DetailsPlace: Miami Beach | Unknown | Place: Miami Beach |
| 7/13 | 1968 Sabena OO-SJK crashDetailsPlace: Lagos | Nigeria | Place: Lagos |
| 7/14 | 1968 Northern 300DetailsPlace: Trenton Speedway | United States | Place: Trenton Speedway |
| 7/17 | 17 July RevolutionDetailsPlace: First Republic of Iraq | First Republic of Iraq | Place: First Republic of Iraq |
| 7/23 | El Al Flight 426DetailsPlace: Algiers Houari Boumediene Airport | Unknown | Place: Algiers Houari Boumediene Airport |
| 7/26 | Operation GriffinDetailsPlace: Chirundu | Unknown | Place: Chirundu |
| 7/28 | July 1968 Dahomeyan presidential electionSource：Wikidata | Benin | |
| Aug(day unknown) | Deaths in August 1968Source：Wikidata | Unknown | |
| Aug(day unknown) | Mafeje AffairDetailsPlace: University of Cape Town | South Africa | Place: University of Cape Town |
| 8/1 | 1968 Casiguran earthquakeSource：Wikidata | Unknown | |
| 8/2 | flight Alitalia 660Source：Wikidata | Unknown | |
| 8/3 | 13th David di Donatello AwardsDetailsPlace: Taormina | Italy | Place: Taormina |
| 8/7 | 1968 Miami riotSource：Wikidata | United States | |
| 8/7 | Operation Truong Cong DinhSource：Wikidata | Unknown | |
| 8/9 | British Eagle Flight 802Source：Wikidata | Unknown | |
| 8/10 | Piedmont Airlines Flight 230Source：Wikidata | Unknown | |
| 8/11 | Equatorial Guinean constitutional referendum, 1968Source：Wikidata | Equatorial Guinea | |
| 8/14 | 1968 Sulawesi earthquakeSource：Wikidata | Indonesia | |
| 8/14 | Los Angeles Airways Flight 417Source：Wikidata | United States | |
| 8/17 | 1968 Trophée des ChampionsDetailsPlace: Stade Richter | France | Place: Stade Richter |
| 8/17 | 1968 International Gold CupSource：Wikidata | Unknown | |
| 8/17 | Miss World USA 1968DetailsPlace: San Diego | Unknown | Place: San Diego |
| 8/18 | 1968 Hida River bus crashJapanOriginal title: 飛騨川バス転落事故DetailsPlace: Japan National Route 41 | Japan | Place: Japan National Route 41 |
| 8/18 | 1968 Western North Carolina 500DetailsPlace: Asheville-Weaverville Speedway | United States | Place: Asheville-Weaverville Speedway |
| 8/20 | Operation Somerset PlainDetailsPlace: A Shau Valley | Unknown | Place: A Shau Valley |
| 8/21 | Warsaw Pact invasion of CzechoslovakiaDetailsPlace: Czechoslovakia | Unknown | Place: Czechoslovakia |
| 8/21 | Ceaușescu's speech of 21 August 1968DetailsPlace: Revolution Square, Bucharest | Romania | Place: Revolution Square, Bucharest |
| 8/21 | Battle for Czechoslovak RadioDetailsPlace: Český rozhlas headquarters | Czech Republic, Czechoslovakia | Place: Český rozhlas headquarters |
| 8/21 | Occupation of LiberecDetailsPlace: Liberec | Czechoslovakia | Place: Liberec |
| 8/24 | CanopusDetailsPlace: Fangataufa | France | Place: Fangataufa |
| 8/24 | Operation Allen BrookSource：Wikidata | Unknown | |
| 8/25 | 1968 Red Square demonstrationSource：Wikidata | Soviet Union | |
| 8/25 | Bloody Sunday (1968)DetailsPlace: Prostějov | Czechoslovakia | Place: Prostějov |
| 8/27 | Big ChiefDetailsPlace: Kiryat Shmona | Israel | Place: Kiryat Shmona |
| 8/29 | Wedding of Harald, Crown Prince of Norway, and Sonja HaraldsenSource：Wikidata | Norway | |
| 8/29 | 1968 Democratic Party presidential primariesSource：Wikidata | United States | |
| 8/31 | 1968 Dasht-e Bayaz earthquakeSource：Wikidata | Iran | |
| Sep(day unknown) | Deficit 83 LinesJapanOriginal title: 赤字83線Source：Wikidata | Japan | |
| Sep(day unknown) | Great Flood of 1968Source：Wikidata | France, United Kingdom | |
| Sep(day unknown) | Deaths in September 1968Source：Wikidata | Unknown | |
| Sep(day unknown) | Yangjiang MassacreSource：Wikidata | People's Republic of China | |
| 9/1 | Ruijin MassacreSource：Wikidata | People's Republic of China | |
| 9/1 | Miss Italy 1968Source：Wikidata | Italy | |
| 9/3 | Bartın earthquake of 1968Source：Wikidata | Turkey | |
| 9/4 | 1968 Republic of the Congo coup d'étatDetailsPlace: Republic of the Congo | Republic of the Congo | Place: Republic of the Congo |
| 9/7 | Miss America protestDetailsPlace: Atlantic City | Unknown | Place: Atlantic City |
| 9/11 | Air France Flight 1611DetailsPlace: Mediterranean Sea | France | Place: Mediterranean Sea |
| 9/13 | March of the SilenceSource：Wikidata | Mexico | |
| 9/14 | Zond 5Source：Wikidata | Unknown | |
| 9/14 | San Miguel Canoa MassacreDetailsPlace: Puebla | Mexico | Place: Puebla |
| 9/15 | 1968 Swedish general electionSource：Wikidata | Sweden | |
| 9/22 | solar eclipse of September 22, 1968Source：Wikidata | Russia | |
| 9/22 | Markovic affairSource：Wikidata | France | |
| 9/22 | 1968 Equatorial Guinean general electionSource：Wikidata | Equatorial Guinea | |
| 9/22 | 1968 French Senate electionSource：Wikidata | France | |
| 9/27 | 1968 Maldivian presidential electionSource：Wikidata | Maldives | |
| 9/27 | Phase III OffensiveDetailsPlace: South Vietnam | Unknown | Place: South Vietnam |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – exhibition women's singlesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – demonstration men's singlesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – exhibition women's doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – demonstration mixed doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – demonstration men's doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – exhibition men's singlesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – exhibition mixed doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – demonstration women's doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | tennis at the 1968 Summer Olympics – exhibition men's doublesSource：Wikidata | Mexico | |
| Oct(day unknown) | Deaths in October 1968Source：Wikidata | Unknown | |
| Oct(day unknown) | Rodney RiotsDetailsPlace: Kingston | Jamaica | Place: Kingston |
| 10/2 | Tlatelolco massacreDetailsPlace: Plaza de las Tres Culturas | Mexico | Place: Plaza de las Tres Culturas |
| 10/3 | 1968 Peruvian coup d'étatSource：Wikidata | Peru | |
| 10/5 | Tochigi patricide caseJapanOriginal title: 尊属殺重罰規定違憲判決DetailsPlace: Tochigi Prefecture | Japan | Place: Tochigi Prefecture |
| 10/6 | 1968 Paris-ToursSource：Wikidata | France | |
| 10/6 | Aeromaya Flight 322Source：Wikidata | Unknown | |
| 10/6 | October 1968 lunar eclipseSource：Wikidata | Unknown | |
| 10/9 | Expropriation of La Brea y PariñasSource：Wikidata | Peru | |
| 10/11 | Apollo 7DetailsCrew: Wally Schirra, Walter Cunningham, Donn F. Eisele · Operator: National Aeronautics and Space Administration · Landing (UTC): October 22, 1968 | United States | Crew: Wally Schirra, Walter Cunningham, Donn F. Eisele · Operator: National Aeronautics and Space Administration · Landing (UTC): October 22, 1968 |
| 10/11 | 1968 Panamanian coup d'étatSource：Wikidata | Panama | |
| 10/15 | cycling at the 1968 Summer Olympics – men's team time trialDetailsPlace: Mexico City | Mexico | Place: Mexico City |
| 10/16 | 1968 Olympics Black Power saluteSource：Wikidata | Mexico | |
| 10/16 | Irish constitutional referendums, 1968Source：Wikidata | Ireland | |
| 10/17 | cycling at the 1968 Summer Olympics – men's 1000m time trialSource：Wikidata | Mexico | |
| 10/18 | cycling at the 1968 Summer Olympics – men's individual pursuitSource：Wikidata | Mexico | |
| 10/19 | cycling at the 1968 Summer Olympics – men's sprintSource：Wikidata | Mexico | |
| 10/19 | Operation Maui PeakDetailsPlace: Thường Ðức Camp | Unknown | Place: Thường Ðức Camp |
| 10/20 | 1968 Hessian local electionsSource：Wikidata | Germany | |
| 10/21 | 1968 Shinjuku RiotJapanOriginal title: 新宿騒乱DetailsPlace: Tokyo | Japan | Place: Tokyo |
| 10/21 | 5th Guldbagge AwardsSource：Wikidata | Unknown | |
| 10/21 | cycling at the 1968 Summer Olympics – men's tandemSource：Wikidata | Mexico | |
| 10/21 | cycling at the 1968 Summer Olympics – men's team pursuitSource：Wikidata | Mexico | |
| 10/23 | cycling at the 1968 Summer Olympics – men's individual road raceDetailsPlace: Mexico City | Mexico | Place: Mexico City |
| 10/23 | Operation Mameluke ThrustDetailsPlace: Happy Valley | Unknown | Place: Happy Valley |
| 10/25 | Soyuz 2DetailsOperator: Soviet space program · Landing (UTC): October 28, 1968 | Soviet Union, Russia | Operator: Soviet space program · Landing (UTC): October 28, 1968 |
| 10/26 | Soyuz 3DetailsCrew: Georgy Beregovoy · Operator: Soviet space program · Landing (UTC): October 30, 1968 | Soviet Union, Russia | Crew: Georgy Beregovoy · Operator: Soviet space program · Landing (UTC): October 30, 1968 |
| 10/27 | 1968 American 500DetailsPlace: Rockingham Speedway | United States | Place: Rockingham Speedway |
| 10/30 | 6th Golden Horse Film AwardsDetailsPlace: Zhongshan Hall | Taiwan | Place: Zhongshan Hall |
| 10/31 | Operation ShockSource：Wikidata | Unknown | |
| Nov(day unknown) | Operation PlumbatSource：Wikidata | Israel | |
| Nov(day unknown) | Deaths in November 1968Source：Wikidata | Unknown | |
| 11/1 | 1968 United Nations Security Council electionSource：Wikidata | United Nations | |
| 11/2 | Ikenobō Mangetsujō hotel fireJapanOriginal title: 池之坊満月城火災Source：Wikidata | Japan | |
| 11/3 | 1968 Peach State 200DetailsPlace: Gresham Motorsports Park | United States | Place: Gresham Motorsports Park |
| 11/5 | 1968 United States presidential electionSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in the District of ColumbiaSource：Wikidata | United States | |
| 11/5 | 1968 United States Senate electionsSource：Wikidata | United States | |
| 11/5 | 1968 United States electionsSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in CaliforniaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in FloridaSource：Wikidata | United States | |
| 11/5 | 1968 United States House of Representatives electionsSource：Wikidata | United States | |
| 11/5 | 1968 Puerto Rican general electionSource：Wikidata | United States | |
| 11/5 | 1968 United States Senate election in New YorkSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in AlaskaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in MassachusettsSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in New YorkSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in GeorgiaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in HawaiiSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in MinnesotaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in IllinoisSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in MississippiSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in IndianaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in OklahomaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in NebraskaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in IowaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in OregonSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in South DakotaSource：Wikidata | United States | |
| 11/5 | 1968 United States presidential election in North CarolinaSource：Wikidata | United States | |
| 11/8 | Vienna Convention on Road TrafficDetailsPlace: Vienna | Unknown | Place: Vienna |
| 11/8 | Vienna Convention on Road Signs and SignalsDetailsPlace: Vienna | Unknown | Place: Vienna |
| 11/8 | 1968 Trust Territory of the Pacific Islands parliamentary electionSource：Wikidata | Trust Territory of the Pacific Islands | |
| 11/9 | 1968 Illinois earthquakeDetailsPlace: Midwestern United States | United States | Place: Midwestern United States |
| 11/10 | 1968 Ryukyu Islands Chief Executive electionJapanSource：Wikidata | United States occupation of the Ryukyu Islands, Japan | |
| 11/11 | Operation Commando HuntSource：Wikidata | Unknown | |
| 11/15 | Greek constitutional referendum, 1968Source：Wikidata | Greece | |
| 11/17 | Trentino-Alto Adige/Südtirol regional election, 1968Source：Wikidata | Italy | |
| 11/17 | 1968 Afars and Issas legislative electionSource：Wikidata | French Territory of the Afars and the Issas | |
| 11/19 | 1968 Malian coup d'étatDetailsPlace: Bamako | Mali | Place: Bamako |
| 11/19 | 1968 Kadena Air Base B-52 crashSource：Wikidata | United States occupation of the Ryukyu Islands | |
| 11/20 | Farmington Mine disasterSource：Wikidata | United States | |
| 11/22 | Japan Airlines Flight 2DetailsPlace: San Francisco Bay | United States | Place: San Francisco Bay |
| 11/22 | Kirk and Uhura's kissSource：Wikidata | United States | |
| 11/23 | Operation Lancaster IIDetailsPlace: Quảng Trị | Unknown | Place: Quảng Trị |
| 11/24 | Pan Am Flight 281Source：Wikidata | United States | |
| Dec(day unknown) | Operation Speedy ExpressDetailsPlace: Mekong Delta | Vietnam | Place: Mekong Delta |
| Dec(day unknown) | 1968 international ice hockey tournament in MoscowSource：Wikidata | Soviet Union | |
| Dec(day unknown) | 1968–69 Four Hills TournamentSource：Wikidata | Unknown | |
| Dec(day unknown) | Deaths in December 1968Source：Wikidata | Unknown | |
| 12/1 | 1968 Venezuelan general electionSource：Wikidata | Venezuela | |
| 12/2 | Wien Consolidated Airlines Flight 55DetailsPlace: Alaska | United States | Place: Alaska |
| 12/3 | Ministry of Internal Affairs in the Republic of TatarstanSource：Wikidata | Russia | |
| 12/8 | 1969 Alabama 200DetailsPlace: Montgomery Motor Speedway | United States | Place: Montgomery Motor Speedway |
| 12/9 | The Mother of All DemosSource：Wikidata | Unknown | |
| 12/9 | Operation Meade RiverSource：Wikidata | Unknown | |
| 12/9 | Operation Napoleon/SalineSource：Wikidata | Unknown | |
| 12/10 | 300 million yen robberyJapanOriginal title: 三億円事件DetailsPlace: Fuchū Prison | Japan | Place: Fuchū Prison |
| 12/12 | Pan Am Flight 217DetailsPlace: Maiquetía | Venezuela | Place: Maiquetía |
| 12/13 | European Convention for the Protection of Animals during International TransportSource：Wikidata | Unknown | |
| 12/15 | 1968 Luxembourg general electionSource：Wikidata | Luxembourg | |
| 12/16 | 1968 Guyanese general electionSource：Wikidata | Guyana | |
| 12/19 | 1968 Zambian general electionSource：Wikidata | Zambia | |
| 12/21 | Apollo 8DetailsCrew: Jim Lovell, Frank Borman, Bill Anders · Operator: National Aeronautics and Space Administration · Landing (UTC): December 27, 1968 | United States | Crew: Jim Lovell, Frank Borman, Bill Anders · Operator: National Aeronautics and Space Administration · Landing (UTC): December 27, 1968 |
| 12/24 | Apollo 8 Genesis readingDetailsPlace: lunar orbit | United States | Place: lunar orbit |
| 12/24 | Allegheny Airlines Flight 736Source：Wikidata | United States | |
| 12/25 | Kilvenmani massacreDetailsPlace: Kizhavenmani | India | Place: Kizhavenmani |
| 12/26 | El Al Flight 253 attackDetailsPlace: Athens | Greece | Place: Athens |
| 12/26 | Uljin–Samcheok LandingsDetailsPlace: Uljin County | Unknown | Place: Uljin County |
| 12/26 | Pan Am Flight 799DetailsPlace: Joint Base Elmendorf-Richardson | Unknown | Place: Joint Base Elmendorf-Richardson |
| 12/27 | Ozark Air Lines Flight 982Source：Wikidata | United States | |
| 12/28 | 1968 Israeli raid on LebanonDetailsPlace: Beirut–Rafic Hariri International Airport | Lebanon | Place: Beirut–Rafic Hariri International Airport |
| 12/31 | MacRobertson Miller Airlines Flight 1750Source：Wikidata | Australia | |