| 23/12/2020 | Lionel Messi scores his 644th career goal for Barcelona in Barcelona's 3-0 win over Valladolid breaking Pele's all-time scoring milestone who scored 643 goals for Santos. He will celebrate it by sending 644 beer bottles to the 160 goalkeepers. |
| 23/12/2010 | The consortium “Bologna 2010” led by banker Giovanni Consorte and coffee businessman Massimo Zanetti, owner of brands, such as Segafredo, acquires Bologna and appoints the popular Italian musician and long-time supporter Gianni Morandi as honorary president. |
| 23/12/1997 | Chicago Bulls coach Phil Jackson reaches 500 wins (in 682 games) |
| 23/12/1996 | US baseball club owners impose salary cup |
| 23/12/1996 | Matthias Sammer of Borusia Dortmund wins the prestigious Golden Ball Award as the 1996 ''European Footballer of the Year'' |
| 23/12/1990 | LOTTO starts in Greece |
| 23/12/1987 | Henry Cotton dies. He was the last British golfer before Nick Faldo who won the Open three times |
| 23/12/1979 | Panionios – Panathinaikos 2-2 and Argentinian midfielder Juan Ramon Rocha makes his debut with Panathinaikos, using however the Greek version of his name, which is Boublis |
| 23/12/1946 | The University of Tennessee refuses to play against Duquesne University because they might use a black player in their basketball game |
| 23/12/1934 | Greece defeats Yugoslavia with 2-1 (Yannis Vazos & Leonidas Andrianopoulos) at “Leoforos” stadium for the 4th Balkan Cup. Costas Houmis and Antonis Migiakis play for the greek team |
| 23/12/1929 | Dimitros Dallas, a distinguished sports figure and journalist, who served as president of Panionios G.S. from 1915 to 1928 and with his actions contributed to the continuation of the operation and reform of the club in Athens after the destruction of Smyrna, dies at the age of 62. His contribution was decisive in the establishment of the Balkan Athletics Games, in the introduction of women's sports in Greece and in the promotion of the sport of volleyball for men and women. |
| 23/12/1879 | Everton play their first match under their new name (former name St Domingo's Football Club) against St Peter's at Stanley Park |
