:East_Asia#History: The history of East Asia is predominantly the history of the Chinese Dynasties that dominated the region in matters of trade as well as militarily, such as the Qin and the Han Dynasties. History_of_East_Asia#Invasions_from_Central_AsiaMain article: Mongol Empire. When did form current (UN) definition of Central Asia? I think that Manchuria  is a part of Central Asia because Tunigicic peoples are Altaic people.