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The Liao dynasty (; Khitan: "Mos Jælud"; ), also known as the Liao Empire, officially the Great Liao (), or the Khitan (Qidan) State (Khitan: "Mos diau-d kitai huldʒi gur"), was an empire in East Asia that ruled from 907 to 1125 over present-day Northern and Northeast China, Mongolia and portions of the Russian Far East and North Korea. The empire was founded by Yelü Abaoji, Khagan of the Khitans around the time of the collapse of Tang China and was the first state to control all of Manchuria.
907