The Xiongnu Empire (209 BC – AD 93) governed the territory of the modern Altai Republic. The area was part of the First Turkic Khaganate, the Uyghur Empire, and the Yeniseian Kyrgyzs. It was during this time that the local population became fully Turkicized culturally and linguistically.[11] The southern part of the Altai Republic came under the Naiman Khanate. The territory of the modern Altai Republic has been ruled by the Mongolic Xianbei state (93–234), Rouran Khaganate (330–555), Mongol ...