April 23, 1920 is the date when the First Grand National Assembly, representing the will of the
 Turkish nation, was opened and declared the sovereignty of the Turkish people.

The founder of the Republic of Turkey, Mustafa Kemal Atatürk, gave a holiday to the Turkish children on April 23rd. Turkey is the first and only country in the world to present a holiday to its children and share this holiday with the whole world.