Political map of South & Southwest Asia 8 September 1922 (Turkish Great Offensive): After their 1921 defeat of the Greek invasion at Sakarya, the Turks slowly gathered their forces for their counterattack. In late August 1922 they were ready, smashing the Greeks at Dumlupinar (Battle of Dumlupinar) and driving them back to the sea in just a few weeks (Great Offensive). On 8 September, the Greeks evacuated Smyrna, leaving the city for the Turks to capture the following day (Liberation of Izmir).