A map from 1911 of the United States showing the territorial growth from the original States and the Northwest Territory in 1783 to the Gadsden Purchase of 1853. The map is color-coded to show the progression from the original thirteen...

A map of the United States in 1790 showing the territorial claims of the states at the time, and the British and Spanish possessions and territory disputes. The map shows the frontier lines or extent of settlement from the coast of Maine...

A map of the United States in 1800 showing the territorial claims of the states at the time, the British and French possessions, and territory disputes. The map shows the frontier lines or extent of settlement from the coast of Maine to...

A map of the United States showing the territorial growth from 1783 to 1790. The map is color-coded to show the original territory after the American Revolutionary War, the Northwest Territory north of the Ohio River in 1787, the...

A map from 1920 of the United States and its territories between 1783 and 1900 showing the nation's expansion and date of acquisition of each new territory or possession. The map is color-coded to show the progression from the original...

A map of the United States in 1789, showing the State territorial claims, territories, and areas of territorial dispute. The map is color-coded to show States, territories, British possessions, and Spanish possessions, and shows the...

A map from 1885 of the United States showing the territorial growth from the original States and the Northwest Territory in 1783 to the Russian cession of Alaska in 1867. The map is color-coded to show the progression from the original...

A map of the United Colonies at the beginning of the American Revolution (1776) showing colonial land claims to the Mississippi River, including the territories organized after the war. The map shows the Northwest Territory (organized in...

A map of the United States in 1800 showing the original thirteen states with the additions of Vermont (1791), Kentucky (1792), and Tennessee (1796), the State claims to western lands by South Carolina and Georgia, the extent of the...

A map from 1914 of the United States showing its acquisition of territory from the original states and Northwest Territory after the American Revolutionary War in 1783 to the Gadsden Purchase in 1853. The dates for each acquisition are...

A map of the United States showing its acquisition of territory from the original states and Northwest Territory after the American Revolutionary War in 1783 to the Gadsden Purchase in 1853.

A map of the United States at the time of the Missouri Compromise of 1820. The map is keyed to show the free states by State Action, the free Northwest Territory by the Ordinance of 1787, the free territory north of the Compromise Line,...

A map from 1913 of the United States showing its acquisition of territory from the original states and Northwest Territory after the American Revolutionary War in 1783 to the Gadsden Purchase in 1853. The dates for each acquisition are...

A map from 1888 of North America, Central America, and Caribbean showing national boundaries at the time, major cities, mountain systems, rivers, and coastal features. The province boundaries of the Dominion of Canada are shown,...

After the French and Indian War, France ceded control of the Northwest region including Ohio to Great Britain. With American independence, Ohio became a part of the Northwest Territory, the first organized land addition to the original...

A map from 1911 of the United States showing the territorial acquisitions from the original States and Northwest Territory in 1783 to the Gadsden Purchase south of the Gila River in 1853. The map shows state capitals and major cities,...

A map of the United States and the division of the West as proposed by France, on September 6th, 1782. The map is color-coded to show the United States at the time, the Indian Reserves south of the Ohio River under the protection of the...

A map of eastern North America and the Northwest Territory in 1763 during Pontiac's Rebellion at the end of the French and Indian Wars. The map shows the general tribal lands east of the Mississippi River of the Ottawa, Potawatomi,...

A map from 1899 of the United States showing the growth of the nation from the original States in 1783 to the admission of Utah into the Union in 1896. The map shows the Northwest Territory claimed at the end of the American...

A map of the United States and the Northwest Territory east of the Mississippi River showing the proposed division of western lands 'ceded or to be ceded’ by the states according to the Ordinance of April 23, 1784. Under this proposed...

A facsimile of a map from Francis Bailey's Pocket Almanac (1785) showing the Northwest Territory of the United States and the land divisions proposed by the Ordinance of 1784.

A map of North America, Central America, and northern South America at the end of the American Revolutionary War (1783). The map is color-coded to show the territory of the United States at the time, British possessions in Canada,...

A map of the United States and territories east of the Mississippi River in 1790, showing the areas of freedom and slavery at the time, including the territory of the Northwest, free by the Ordinance of 1787.

A series of maps showing the principal regions, campaigns, forts, and battle sites of the War of 1812, including: the northern seat of war in southern Canada, New York, Pennsylvania, Ohio, and the Michigan Territory; the vicinity of...