Khanate of Sibir
The Khanate of Sibir (Siberian Tatar: Себер ҡанныҡ, romanized: Seber qannïq; Russian: Сибирское ханство, Сибирский юрт, romanized: Sibirskoye khanstvo, Sibirsky yurt) was a Siberian Tatar state in western Siberia. It was founded at the end of the 15th century, following the break-up of the Golden Horde.