- January 9: The First Battle of Inonu commences.
- January 11: The First Battle of Inonu ends inconclusively after both sides pull back and both claim victory.
- March 16: The Greek Army occupies Afyon Karahisar in Asia Minor.
- March 27: The Second Battle of Inonu commences.
- March 30: The Second Battle of Inonu ends in defeat for the Greek Army.
- April 8: Georgios Papandreou publishes his article "The King and the Nation" urging King Constantine I to resign.
- April 16: Prime Minister, Dimitrios Gounaris, arrives in Smyrna to assess first-hand the military situation in Asia Minor.
- July 4: The Greek Army enters Kutahya.
- July 15: A war council, under King Constantine I, at Kutahya, decides to capture Ankara, seat of the Kemalist movement.
- August 19: The Greek Army crosses the Sakarya river and enters the Salty Desert.
- August 23: The Battle of the Sakarya commences during the Greco-Turkish War (1919-1922).
- August 27: The Greek Army captures the first line of defence of the Turks during the Battle of the Sakarya.
- September 2: Farthest advance of the Greek Army during the Battle of the Sakarya.
- September 13: The Battle of the Sakarya ends with the withdrawal of the Greek Army.
- September 15: Eleftherios Venizelos - a widower - weds Elena Skilitsi in London.
- November 9: The Great Powers decide to once again grant Northern Epirus to Albania.
- November 27: Meletios Metaxakis, Archbishop of North and South America, is elected Ecumenical Patriarch. Meletios was labeled a Venizelist.