Population exchange between Greece and Turkey 1923, most of the pre-war Greek population of Aegean Turkey had already fled. The exchange involved the remaining Greeks of central Anatolia (both Greek- and Turkish-speaking), Pontus and Kars. Thus of the 1,200,000 only c. 189,916 still remained in Turkey that time. In Greece, it was considered part of the events called the "Asia Minor Catastrophe" (). Significant refugee displacement and population movements had already occurred following the Balkan Wars, World War I, and the Turkish War of Independence. The convention affected the populations as follows: almost all Greek Orthodox Christians (Greek- or Turkish-speaking) of Asia Minor including the Greek
Ancient Greek verbs three tenses are used, and they distinguish aspect only, not time: The optative mood likewise uses these three tenses, but there is also a future optative, used mainly to report indirectly what would be a future indicative in direct speech. Ancient Greek has no perfect progressive or past perfect progressive. Thus, the meaning "he has been doing" is typically expressed with the present tense, and "he had been doing (earlier)" is expressed with the imperfect tense: For further information on the endings, see Ancient Greek grammar (tables). Dictionaries of Ancient Greek usually give six principal parts for any verb. For