- 1848: Konstantinos Kanaris forms a government.
- 1899: German Princess Sophie marries Crown Prince Constantine of Greece in Athens, Greece.
- 1923: An attempted royalist coup led by Generals Georgios Leonardopoulos and Panagiotis Gargalidis and Colonel Georgios Ziras is put down.
- 1960: Prime Minister Constantine Karamanlis inaugurates Kaftantzoglio Stadium in Thessaloniki.
- 1979: Prime Minister Constantine Karamanlis meets Pope John Paul II in Rome.