The Turkic migrations were the spread of Turkic tribes and Turkic languages across Eurasia between the 4th and 11th centuries.[1] In the 6th century, the Göktürks overthrew the Rouran Khaganate in what is now Mongolia and expanded in all directions, spreading Turkic culture throughout the Eurasian steppes. Although Göktürk empires came to an end in the 8th century, they were succeeded by numerous Turkic empires such as the Uyghur Khaganate, Kara-Khanid Khanate, Khazars, and the Cumans. Some Turks eventually settled down into sedentary societies such as the Qocho and Ganzhou Uyghurs. The Seljuq dynasty settled in Anatolia starting in the 11th century, resulting in permanent Turkic settlement and presence there. Modern nations with large Turkic populations include Kyrgyzstan, Turkmenistan, Turkey, Azerbaijan, Uzbekistan and Kazakhstan, and Turkic populations also exist within other nations, such as Chuvashia, Bashkortostan, Tatarstan and the Sakha Republic of Siberia in Russia, Northern Cyprus, the Crimean Tatars, the Kazakhs in Mongolia, the Uyghurs in China, and the Azeris in Iran.