- January 7: Greece are defeated at home by Spain 3-2 (Koudas-Domazos) for the 1974 Germany World Cup qualifiers.
- January 29: An EgyptAir Ilyushin Il-18 aircraft (Reg No SU-AOV) crashes into the Pentadaktylos mountain range of Cyprus killing all 37 aboard (7 crew and 30 passengers).
- February 7: EOKA B' attack 20 police stations throughout Cyprus.
- February 18: Archbishop Makarios III is proclaimed President of Cyprus for a third term as there were no other candidates for the post.
- February 21: Law students barricade themselves inside the buildings of the Law School of the university of Athens demanding repeal of the law that imposed forceful conscription of "subversive youths".
- February 25: Nikos Koemtzis kills three persons and injures another six over a song he requested at a night club. Among the dead is a nephew of former Olympiakos footballer Thanasis Soulis.
- March 11: The derby between Olympiakos and Panathinaikos is stopped in the 83rd minute of play, by referee Latsios, due to the fracas that breaks out on the pitch between the players of the two teams. The match will later be awarded to Olympiakos (2-0 on a forfeit).
- March 15: A large quantity of weapons and ammunition is stolen, by armed men, from a Police station in Lemesos, Cyprus. EOKA B' is blamed.
- April 22: League leaders PAOK are stunned 5-3 at home by Panachaiki. The loss dropped the Thessaloniki club into 2nd place and ended up costing them the championship.
- May 16: Greek football referee Christos Michas officiates the European Cup Winners Cup final between AC Milan - Leeds Utd. (1-0) in Thessaloniki. He will be punished later by the Greek Football Federation for his many grievous errors which affected the outcome of the match.
- May 23: The Greek military vessel "Velos" sails to Italy where its crew seeks political asylum from the military Junta that rules Greece.
- July 1: Spyros Kontosoros breaks the Greek record in the 3000m steeplechase with 8:25.6.
- July 14: Archbishop Makarios III defrocks the three Cypriot Metropolitans who had earlier called for his resignation from the Presidency of the island-republic.
- July 19: A Palestinian attacks the offices of El Al in Athens. He captures two hostages but releases them after negotiations with the Greek police.
- July 27: EOKA B' abduct Christos Vakis, Minister of Justice of the Republic of Cyprus.
- July 29: The Military government of Greece holds a referendum on a proposed new constitution that abolishes the monarchy. 78.4% approve according to the government-released results.
- August 5: Three people are killed and 55 wounded, after two Arab gunmen open fire and throw grenades into a crowded passenger lounge at Athens airport.
- August 19: George Papadopoulos is sworn in as President after the abolition of the Monarchy by the military Junta.
- August 24: Maroula Lambrou breaks the Greek women's record in the long jump with a jump of 6.26m.
- August 25: Apostolos Kathiniotis breaks the Greek record in the long jump with 7.78m.
- October 2: Nouli Giannitsopoulou wins the bronze medal in vault at the Balkan Games in Romania. It is the first Greek medal in gymnastics.
- October 7: An unsuccessful attempt is made on the life of Cyprus President Makarios III: a bomb explodes prematurely on the road he was scheduled to travel.
- October 8: Spiros Markezinis is appointed Prime Minister of Greece by George Papadopoulos.
- October 10: Spiro Agnew, Greek-American Vice-President of the United States, resigns.
- November 14: Students and others occupy the Polytechnic Institute of Athens, demanding the ouster of the military junta.
- November 15: Students occupy University buildings in Patra and Thessaloniki, in support of the Polytechnic Institute uprising.
- November 16: Violent protests take place outside the Polytechnic Institute of Athens.
- November 17: Tanks tear down the gates of the Polytechnic Institute in Athens ending the student protests against the military government of Greece. 16 students die during the confrontation.
- November 25: After weeks of unrest, a coup is orchestrated by the head of the feared military police, Brigadier General Dimitrios Ioannides, which deposes the Greek Government headed by self-appointed President George Papadopoulos.
- December 29: Dimitris Kokolakis makes his debut with the national team against Great Britain in Athens. The “center” of Panathinaikos, Aris and Ilisiakos, will go on to score a total of 1271 points in 177 caps in his international career.
- December 30: Aris are defeated at Harilaou Stadium by Olympiakos 2-4. The team’s president, Nikos Kambanis, orders the immediate replacement of goalkeeper, Nikos Christidis by Stelios Papafloratos, considering Christidis “suspiciously” responsible for the loss.
- June 12: Panagiotis Fyssas, footballer
- June 16: Nikos Machlas, football player, Europe's top scorer in 1997-98 season.