The Great Counter-Attack began at the night of August 27, which was directed by Mustafa Kemal (later Atatürk). It was completed with the victory of the Turkish army. The Greek army were heavily destroyed and surrounded on August 30 in Dumlupınar, Kütahya. The Greek army had started constant retreat backwards İzmir due to the Turkish Army's advance towards west. Upon arrival of the Turkish army in İzmir on September 8, the Greek administration left the city. On September 9, the Turkish army took the control of the whole city, this is also known the last phase of the Great Counter-Attack.
August 30, the Victory Day is a public holiday and celebrations are mostly hold in Ankara, capital of Turkey.
Happy Victory Day!