| 21/6/2025 | Turkey clinches Quarter-Finals at FIBA Women’s EuroBasket 2025, defeating Greece 83-72 in a thrilling clash before a record-breaking attendance of 10,503 fans at the Peace and Friendship Stadium. |
| 21/6/2025 | Miltos Tentoglou, with a jump of 8.23 meters, wins the first place with a competition record at the Dessau meeting in Germany |
| 21/6/2016 | Lionel Messi becomes Argentina's leading scorer (55 goals) passing Gabriel Batistuta's 54-goal tally with a superb free-kick as they beat hosts the USA 4-0 to reach Copa America final. |
| 21/6/2015 | Greece wins their fifth medal during the 1st European Games in Baku. The Greek U17 men water polo team defeats Croatia 11-10 in the bronze medal match and wins the third place on the pondium. Serbia won the gold medal defeating Spain 8-7 in the gold medal match. |
| 21/6/2004 | Thierry Henry scores the third goal for France and the 400th goal in the history of the European Championships at the group phase match between Switzerland and France (1-3) at Coimbra, Portugal |
| 21/6/1999 | Yugoslavian Drazen Petrovic and Brazilian Marcelo Pereira enter the Basketball Hall of Fame |
| 21/6/1998 | Lothar Matthaeus of Germany equals Carbajal's World Cup record (5 appearances) and smashes the record of Maradona, Seeler and Zmuda with 21 games in the match against Yugoslavia |
| 21/6/1998 | Marion Jones becomes the first American woman in the last 50 years to win the 100 and 200m races and the long jump at the USA Track and Field Championship |
| 21/6/1994 | Greece lose to Argentina 0-4 (Batistuta 3, Maradona) in their first World Cup match |
| 21/6/1994 | Lori McNeil defeats Stefi Graf in the first round of Wimbledon tournament. Graf becomes the second female No1 to be eliminated in the first round, after Garet Smith (1962) |
| 21/6/1994 | With No. 3334 of the First Court of Athens, OEVAS (Federation of Greek Veteran Track and Field Athletes) is founded, the first National Federation of Veteran Sportsmen in the Balkans, which will lead to the creation of the Balkan Union. Its first president is Evangelos Savramis, but its founder is the shooter Simos Symeonidis of Panathinaikos. |
| 21/6/1980 | The 6th Paralympic Games start in Arnhem, Holland with the participation of 1973 athletes from 42 countries. The Greek team will win its first medal in Paralympic Games, when Giorgos Mouzakis will finish third at the 60m competition. |
| 21/6/1975 | Almost a year after the fall of junta, Konstantinos Aslanidis, former secretary general of sports, is arrested at Riviera’s Porto Fino, where he has escaped requesting political asylum |
| 21/6/1970 | Tony Jacklin becomes the first British golfer in the last 50 years to win the US Open after defeating Dave Hill |
| 21/6/1970 | Brazil defeat Italy 4-1 in the 9th World Cup final in Mexico and earn the right to keep the Jules Rimet trophy (which will be stolen a few years later) forever in their country. German striker Gerd Mueller takes the top scorer award with 10 goals. For the first time in football history the “yellow and red card” rule took effect even though not even one player was penalized. The idea belongs to the British referee Kenneth George Aston who conceived it in 1966 |
| 21/6/1964 | Spain win the 2nd European Cup after defeating the Soviet Union 2-1 in Madrid. Danish player Madsen gets the top scorer award of the tournament (11 goals) |
| 21/6/1937 | BBC's first telecast of a tennis match. Donald Badge faces Gottfried von Kramm in the Wimbledon final |
| 21/6/1913 | Tiny Broadwick becomes the first woman to perform free fall with a parachute |
| 21/6/1851 | German chess master Adolf Anderssen wins Lionel Kieseritzky in a game, perhaps unparalleled in chess literature, where Anderssen sacrifices both rooks, a bishop and his queen, checkmating with the remaining three minor pieces. The game is played during a break of the “First International Chess Tournament” held in London, and will remain in chess literature as Anderssen’s “Immortal Game”. |