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2021 Alberta referendum, 2021–22 Reading F.C. season, 2021 Uttarakhand flood, 2021 Russia–United States summit, 2021 Australian census, September 2021 Sudanese coup attempt, Timeline of the Israeli–Palestinian conflict in 2021, 2021 BC Lions season, 2021 in science, 2021 SEC softball tournament, 2021 Indian Premier League, 2021 Nagoya mayoral election, 2021–22 Scottish Women's Premiership season, 2021 Tennessee Volunteers football team, 2021 SEA Games, PFL 10 (2021), Planet Prince 2021, Tornadoes of 2021, 2021 Andhra Pradesh panchayat elections, Produce Camp 2021, 2021 (song), 2021 G20 Rome summit, 2021–22 Stevenage F.C. season, 2021 Nandigram Assembly election, 2021 Pacific hurricane season, 2021 Austin W Series round, International cricket in 2021–22, 2021 Hormozgan earthquakes, 2021 Zavarovalnica Sava Portorož, Vision 2021, List of The Late Show with Stephen Colbert episodes (2021), 2021–22 Liga 2 (Indonesia), 2020–2021 Vendée Globe, 2021–22 Doncaster Rovers F.C. season, 2021 Africa Cup of Nations, 2021–22 Championnat Pro A, 2021 in England, 2021 in Eswatini, 2021 in Peru, 2021 cabinet reshuffle, 2021 Città di Forlì II, 2021–22 Al Hilal SFC season, PFL 7 (2021), 2021 Italy wildfires, 2021–22 Valparaiso Beacons men's basketball team, International cricket in 2021, Mukhosh (2021 film), 2021–22 CCHA season, 2021–22 Ashes series, 2021 Indian farmers' Republic Day protest

2021, 2021–2022 Iranian protests, List of elections in 2021, 2021 Booker Prize, 2021 in sports, Miss Brazil 2021, Zapad 2021, 2021 in film, 2021 heat waves, 2021 London Broncos season, Miss Hong Kong 2021, 2021 Q School, List of 2021 Afghanistan attacks, 2021 Canadian census, Microsoft Office 2021, 2021 in Palestine, 2021 Pakistani protests, 2021 WNBA playoffs, 2021 NBL pre-season, 2021 in paleomammalogy, 2021–2023 Stagecoach strikes, 2021–22 Scottish Cup, FIBA AfroBasket 2021, 2021 NBL–Pilipinas Chairman's Cup, 2021 Kabul airlift, 2021 Wisconsin elections, 2021 Islamic Solidarity Games, 2021–22 Gillingham F.C. season, 2021 SAFF Championship, 2021–22 AFC Wimbledon season, 2021 Russian census, 2021–2022 United Kingdom censuses, 2021 in UFC, 2021 European Baseball Championship, 2021 Polish speedway season, Wildfires in 2021, 2021 Super League season, 2021 in Professional Fighters League, 2021 Pakistan Super League, 2021 Empress's Cup final, 2021–2025 Bulgarian political crisis, 2021 Alberta referendum, 2021–22 Reading F.C. season, 2021 Uttarakhand flood, 2021 Russia–United States summit, 2021 Australian census, September 2021 Sudanese coup attempt, Timeline of the Israeli–Palestinian conflict in 2021, 2021 BC Lions season, 2021 in science, 2021 SEC softball tournament, 2021 Indian Premier League, 2021 Nagoya mayoral election, 2021–22 Scottish Women's Premiership season, 2021 Tennessee Volunteers football team, 2021 SEA Games, PFL 10 (2021), Planet Prince 2021, Tornadoes of 2021, 2021 Andhra Pradesh panchayat elections, Produce Camp 2021, 2021 (song), 2021 G20 Rome summit, 2021–22 Stevenage F.C. season, 2021 Nandigram Assembly election, 2021 Pacific hurricane season, 2021 Austin W Series round, International cricket in 2021–22, 2021 Hormozgan earthquakes, 2021 Zavarovalnica Sava Portorož, Vision 2021, List of The Late Show with Stephen Colbert episodes (2021), 2021–22 Liga 2 (Indonesia), 2020–2021 Vendée Globe, 2021–22 Doncaster Rovers F.C. season, 2021 Africa Cup of Nations, 2021–22 Championnat Pro A, 2021 in England, 2021 in Eswatini, 2021 in Peru, 2021 cabinet reshuffle, 2021 Città di Forlì II, 2021–22 Al Hilal SFC season, PFL 7 (2021), 2021 Italy wildfires, 2021–22 Valparaiso Beacons men's basketball team, International cricket in 2021, Mukhosh (2021 film), 2021–22 CCHA season, 2021–22 Ashes series, 2021 Indian farmers' Republic Day protest, 2021 New York state elections, 2021 Armenian political crisis, 2021–22 Walsall F.C. season, 2021–22 Barnsley F.C. season, January 2021 Baghdad bombings, 2021–22 Zamalek SC (handball), 2021 in France, 2021 in Qatar, PFL 8 (2021), 2021–22 Southampton F.C. season, 2021 Norwegian Football Cup, 2021 CFL Premier Division, 2021 Gent–Wevelgem, 2021 in the British Virgin Islands, 2021–22 NCHC season, 2021 Paradise Jam, 2021 Dallas municipal election, E3 2021, King of the Ring (2021), 2021 Lahore bombing, 2021 Porto Open, 2021–22 Middlesbrough F.C. season, 2021 W Series, 2021 Sukma–Bijapur attack, 2021 in Canada, 2021 United States gubernatorial elections, 2021 Four Nations Football Tournament, 2021 Bratislava Open, 2021–22 Portsmouth F.C. season, 2021 in Russia, 2021–22 Premier League, List of spaceflight launches in July–December 2021, 2021 Super 20 Trophy, Miss Vibhaa 2021, Weather of 2021, 2021–22 Brentford F.C. season, 2021 Paris–Nice, 2021 in the Gambia, 2021 NFL season, PFL 9 (2021), 2021 Classic Brugge–De Panne, 2021 Croatian census, 2021 South African unrest, 2021 in Vietnam, List of spaceflight launches in January–June 2021, 2021 Edmonton Elks season, 2021 Extreme E Championship, 2021 BAL finals, 2021 MotoE World Cup, Associate international cricket in 2021–22, 2021 WNBA Finals, War Chamber (2021), 2021 Copa Libertadores, 2021 Wimbledon Championships, 2021 Paris–Roubaix, 2021 Castleford Tigers season, 2021 2nd Spielberg W Series round, 2021–22 Newport County A.F.C. season, Fantasy Island (2021 TV series), 2021 in spaceflight