1966
Events
August
- August 16: Giorgos Koudas debuts with Olympiakos in a pre-season friendly. Koudas will return to PAOK in 1967 without having played a single competitive game for Olympiakos.
September
- September 6: Dimitrios Tsafendas assassinates Prime Minister Hendrik Verwoerd of South Africa.
November
- November 30: The University of Patras is inaugurated.
December
- December 8: The ferry "Heraklion" sinks off the Aegean island of Falkonera killing 217 passengers.
- December 22: The "apostate" government of Stephanos Stephanopoulos falls as the National Radical Union party withdraw their support.
- December 29: Emmanouil Emmanouilidis and Spyros Kotzamanis are found guilty of "grievous bodily injuries" in the Grigorios Lambrakis trial in Thessaloniki. All the other accused are unanimously acquitted.
Births
February
- February 1: Kyros Vassaras, international referee.
- February 1: Vasilis Dimitriadis, footballer.
- February 14: Valerios Leonidis, weightlifter
March
- March 27: Zarko Paspalj, basketball player.
October
- October 12: Yiannis Kalitzakis, footballer