Republic Day (Turkey) Republic Day (Turkey) The Republic Day of Turkey () is one of the public holidays in Turkey commemorating the proclamation of the Republic of Turkey in 1923. It lasts 35 hours, starting each year at 1:00 pm on 28 October. The holiday commemorates the events of 29 October 1923, when Mustafa Kemal Atatürk declared that Turkey was henceforth a republic. Turkey had "de facto" been a republic since 23 April 1920, the date of the establishment of the Grand National Assembly of Turkey, but the official confirmation of this fact came only three-and-a-half years later. On 29 October 1923, the
Turkey aged 65 years or older make up 7.3 percent. In 1927, when the first official census was recorded in the Republic of Turkey, the population was 13.6 million. The largest city in Turkey, Istanbul, is also the largest city in Europe in population, and the third-largest city in Europe in terms of size. Article 66 of the Turkish Constitution defines a "Turk" as "anyone who is bound to the Turkish state through the bond of citizenship"; therefore, the legal use of the term "Turkish" as a citizen of Turkey is different from the ethnic definition. However, the majority of the