Xianbei state
Mongolic-related Slab Grave cultural monuments survive in Baikal territory. The territory of Buryatia came under the control of the Xiongnu Empire (209 BC-93 CE), of the Mongolian Xianbei state (93-234), of the Rouran Khaganate (330-555), of the Mongol Empire (1206-1368) and of the Northern Yuan (1368-1691).