Three thousand years is a period of time long enough to produce great changes, and in the course of that time a great many different nations and congeries of nations were formed in the regions of Central Asia. The term Tartars has been employed generically to denote almost the whole race. The Monguls are a portion of this people, who are said to derive their name from Mongol Khan, one of their earliest and most powerful chieftains. The descendants of this khan called themselves by his name, just as the descendants of the twelve sons of Jacob called themselves Israelites, or children of Israel, from the name Israel, which was one of the designations of the great patriarch from whose twelve sons the twelve tribes of the Jews descended. The country inhabited by the Monguls was called Mongolia