Thursday, May 21, 2026 · International Tatar calendar
May 21, 2026 in Tatar history and culture
May 21, 2026 brings together a documented date from the international Tatar calendar. Sources and community scope are shown for every entry.
Official Memorable DayFixed annual date
Day of the official adoption of Islam by Volga Bulgaria
May 21, 2026
- English
- Day of the official adoption of Islam by Volga Bulgaria
- Tatar
- Идел буе Болгар дәүләтендә исламны рәсми кабул итү көне
- Russian
- День официального принятия ислама Волжской Булгарией
The official Tatarstan date commemorates Volga Bulgaria's adoption of Islam in 922, associated with the embassy recorded by Ahmad ibn Fadlan. The anniversary is central to the Islamic heritage of Volga-Ural Tatars.