| 17/12/2021 | Former Olympiacos football player, Mimis Stefanakos dies aged 85. He played for Olympiacos for seven years (1958-1965), winning two Greek championship titles, six Greek Cups, one Balkan Cup. He also played for the National team. |
| 17/12/2020 | CAS (Court of Arbitration for Sport) announces the decision of the two-year exclusion of Russia (as a country) from the Olympic Games (2021) and the Winter Olympics (2022) as well as the Football World Cup (2022), due to government participation in granting anabolic steroids in athletes |
| 17/12/2000 | Liverpool defeat Manchester United 1-0 (Murphy) at Old Trafford putting an end to their 36-game unbeaten home record in Premier League |
| 17/12/1996 | Torino FC celebrate their 90th anniversary at Teatro Regio with a macabre exhibition of the remains from the plane accident in 1949 (shoes, luggage, pieces of the aircraft, etc) |
| 17/12/1991 | The largest scoring difference in NBA. The Cleveland Cavaliers beat the Miami Heat 148-80 |
| 17/12/1989 | Polish striker Krzysztof Warzycha makes his debut with Panathinaikos in a match against AEK |
| 17/12/1984 | USA (John McEnroe and Peter Fleming) lose for the first time after 14 matches for the Davis Cup. Sweden (Stefan Edberg and Anders Jarryd) win the title |
| 17/12/1962 | Dinos Andrianopoulos, the third of the five Andrianopoulos brothers, the basis of the football team of Olympiacos, dies |
| 17/12/1955 | The first issue of the bimonthly car magazine “The Volan”, published by Babis Diamantopoulos, comes out in print |
| 17/12/1952 | 36-year-old Archie Moore beats Joey Maxim in round 15 and becomes the oldest lightweight world champion to hold the title for 10 years |
| 17/12/1933 | The NFL introduces official statitistic coverage in the first playoff game (Bears-Giants 23-21) |
| 17/12/1903 | The Wright brothers take the first heavier-than-air manned aircraft (a fabric-covered biplane with a wooden frame and a 12-horsepower water-cooled engine) for a 12-second spin (36m) at Kitty Hawk, North Carolina |
