 Complete the following phrase:  Greek refugees is a collective term used to refer to the more than one million Greek Orthodox natives of Asia Minor, Thrace and the Black Sea areas who fled during the Greek genocide 1914-1923 and Greeces later defeat in the Greco-Turkish War 19191922, as well as remaining Greek Orthodox inhabitants of Turkey who were required to leave their homes for Greece shortly thereafter as part of the population exchange between Greece and Turkey, which formalized the population transfer and barred the return of the refugees. This Convention Concerning the Exchange of Greek and Turkish Populations was signed in Lausanne, on January 30, 1923 as part of the peace treaty between Greece and Turkey and required all remaining Orthodox Christians in Turkey, regardless of what language they spoke, be relocated to Greece with the exception of those in Istanbul and two nearby islands. Although the term has been used in various times to refer to fleeing populations of Greek descent primarily after the Ionian Revolt, the 