Azerbaijan
Kazakhstan
Kyrgyzstan
Turkmenistan
Uzbekistan
Northern Cyprus (TRNC)
Hungary
October 3 2009· Historical event
Founding of the Organization of Turkic States
On 3 October 2009 the Nakhchivan Agreement founded the Cooperation Council of Turkic-Speaking States, renamed the Organization of Turkic States in 2021.
On 3 October 2009 in Nakhchivan the presidents of Azerbaijan, Kazakhstan, Kyrgyzstan and Türkiye signed the Nakhchivan Agreement establishing the Cooperation Council of Turkic-Speaking States. The organisation's secretariat is in Istanbul.
Uzbekistan became a full member in 2019, and at the Istanbul summit on 12 November 2021 the Council was renamed the Organization of Turkic States. Hungary, Turkmenistan and the Turkish Republic of Northern Cyprus are observers. Summits rotate among the member states — Baku in 2019, Bishkek in 2024 and Gabala in 2025.
Turkic States Cooperation Day
3 October, the day the Nakhchivan Agreement was signed, is celebrated across the Turkic world as Turkic States Cooperation Day. Turkic Atlas was officially launched on this day, 3 October 2026.
Video
Photos
7th Summit of the Turkic Council in Baku, 2019 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
Baku summit, 2019 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
Baku summit, 2019 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
9th OTS Summit in Samarkand, 2022 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
10th OTS Summit in Astana, 2023 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
11th OTS Summit in Bishkek, 2024 · Press Service of the President of the Republic of Azerbaijan / Wikimedia Commons · CC BY 4.0 
Flag of the Organization of Turkic States in Baku · Aykhan Zayedzadeh / Wikimedia Commons · CC BY 4.0
Türkiye: other days
- January 1New Year's Day
- March 12Adoption of the National Anthem
- March 18Martyrs' Day and the Çanakkale victory
- April 23National Sovereignty and Children's Day
- May 1Labour Day
- May 19Commemoration of Atatürk, Youth and Sports Day
- July 15Democracy and National Unity Day
- August 30Victory Day
- October 29Republic Day of Türkiye
- November 10Atatürk Remembrance Day
- 10 Dhu al-Hijjah in the Islamic calendar — the feast of the Hajj pilgrimage; moves about 11 days earlier each yearEid al-Adha
- 1 Shawwal in the Islamic calendar — the end of the Ramadan fast; moves about 11 days earlier each yearEid al-Fitr