The last troops of the Allies departed Departing from the city on 4 October 1923 , and the first troops of the Ankara government , commanded Control by Şükrü Naili Pasha ( 3rd Corps ) , entered Arriving the city with a ceremony on 6 October 1923 , which has been marked Recording as the `` Liberation Day '' of Istanbul ( Turkish : `` İstanbul'un Kurtuluşu '' ) and is commemorated Social_event every year on its anniversary .