Kublai Khan the role of Emperor of China. By 1279, the Mongol conquest of the Song dynasty was completed and Kublai became the first non-Han emperor to conquer all of China. The imperial portrait of Kublai was part of an album of the portraits of Yuan emperors and empresses, now in the collection of the National Palace Museum in Taipei. White, the color of the royal costume of Kublai, was the imperial color of the Yuan Dynasty. Kublai Khan was the fourth son of Tolui, and his second son with Sorghaghtani Beki. As his grandfather Genghis Khan advised, Sorghaghtani chose a Buddhist
Society of the Mongol Empire cultural and economic aspects of its unity. Turkic tribes seized the western end of the Silk Road from the decaying Byzantine Empire, and sowed the seeds of a Turkic culture that would later crystallize into the Ottoman Empire under the Sunni faith. Turkic–Mongol military bands in Iran, after some years of chaos were united under the Saffavid tribe, under whom the modern Iranian nation took shape under the Shiite faith. Meanwhile, Mongol princes in Central Asia were content with Sunni orthodoxy with decentralized princedoms of the Chagatai, Timurid and Uzbek houses. In the Kypchak–Tatar zone, Mongol khanates all but crumbled