1974
Events
January
- January 13: Metropolitan Serafim of Ioannina is elected Archbishop of Athens and all Greece.
July
- July 15: The Cypriot National Guard overthrows President Makarios and installs Nikos Sampson in his place.
- July 20: Turkey invades Cyprus.
- July 23: The military government in Greece collapses and former prime minister Constantine Karamanlis is invited to return.
- July 30: Foreign ministers from Greece, Turkey and the UK have signed a peace agreement to settle the Cyprus crisis.
September
- September 3: The Panhellenic Socialist Movement (PASOK) is established
November
- November 8: The democratic regime under Constantine Karamanlis held a second democratic referendum, which confirmed the monarchy's abolition, with the monarchy receiving only one third of all votes cast.
December
- December 8: In a democratic referendum held, 69.2% of Greek people confirmed the monarchy's abolition.
Sports
December
- December 29: Costas Mourouzis coaches for the 40th, and last, time the National Basketball Team (22 wins – 18 losses) in the game against Yugoslavia (58-71) in Salonica for the Balkan Championship. He will be succeeded by Vangelis Nikitopoulos.
Deaths
- December 16: Kostas Varnalis poet/writer