" Ethnolinguistic Groups - Almost all inhabitants of mainland China are of Mongoloid stock, and ethnic distinctions in the country are largely linguistic rather than racial. The Han comprise nearly 95 percent of the population; the...

A map of the original thirteen States in 1790 showing State lines, territories northwest and south of the Ohio River, British and Spanish possessions, and the distribution of the European-American population east of the Mississippi River...

A map from 1904 of Washington showing the capital, Olympia, principal cities and towns, Indian reservations, railroads, mountains, rivers, and coastal features. "Washington - Organized as a Territory in 1853. Admitted to statehood in...

A map from 1912 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is color-coded to show the territory of the original United States and the Northwest Territory...

A map from 1904 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is coded to show the territory of the original United States and the Northwest Territory defined by...

A map from 1904 of the United States showing the territorial acquisitions up to the Gadsden Purchase in northern Mexico in 1853. The map is coded to show the territory of the original United States and the Northwest Territory defined by...

A map of the Northwest Territory between the Allegheny Mountains and the Mississippi River and the Great Lakes to the Tennessee River showing the military operations and extent of settlement in the area during the American Revolutionary...