- 1057: Nobles in Constantinople revolt against Michael VI and proclaim Isaac I Komnenos Byzantine emperor.
- 1422: The First Ottoman Siege of Constantinople begins.
- 1930: A Breguet Bre 19, appropriately adapted and named «Hellas», with pilot 1st lieutenet Evangelos Papadakis and observer Colonel Christos Adamides on board, took off from Tatoi and flew around the Mediterranean sea in 20 days covering a distance of 12,000 Km.
- 1933: Eleftherios Venizelos is interviewed by the police concerning the assassination attempt against his life. He accuses the government and especially Interior Minister, Ioannis Rallis, as responsible.
- 1952: 400 Greek troops depart for Korea.
- 1966: The Eugenides Planetarium is dedicated in Athens.
- 1996: Radio station Sport FM begins broadcasting.
- 1996: Niki Xanthou breaks the Greek women's record in the long jump with 7.01m.
- 2012: Greece draw co-hosts Poland 1-1 in the opening game of Euro 2012.
- 1876: Alexandros Touferis, athlete
- 1933: Vangelis Panakis, footballer
- 1942: Nikos Konstantopoulos, politician
- 1954: Marios Tokas, songwriter
- 1978: Maria Menounos, Greek-American actress and TV presenter