A report on Missouri Territory, Arkansas Territory and Historic regions of the United States

Map showing North American territorial boundaries leading up to the American Revolution and the founding of the United States: British claims are indicated in red and pink, while Spanish claims are in orange and yellow.

Map of the Territory of Missouri in 1812

Map showing mid 17th century claims and land grant boundaries. Some colonies seen here are: Nova Scotia (NSc), Territory of Sagadahock (TS), First Province of Maine (Me), New Hampshire (NH), Plymouth (PC), Massachusetts Bay (MBC), New Netherland (NN), New Sweden (NSw), and Lord Baltimore's Land (Md; Maryland)

Missouri Territory, formerly Louisiana, 1814 map

Geographical, Statistical and Historical Map of Arkansas Territory, after Stephen Harriman Long, 1822

New World settlements of The Netherlands, collectively called New Netherland

French settlements and forts in the so-called Illinois Country, 1763, which encompassed parts of the modern day states of Illinois, Missouri, Indiana and Kentucky)

A 1775 map of the German Coast, a historical region of present-day Louisiana located above New Orleans on the eastern bank of the Mississippi River

Vandalia was the name of a proposed British colony located south of the Ohio River, primarily in what is now the U.S. states of West Virginia and eastern Kentucky

A proposal for the creation of Westsylvania was largely deterred by the Revolutionary War

National Atlas map of United States territorial acquisitions

Seward's Folly. The controversial purchase of Alaska from Russia in 1867 turned out to be a great deal for the U.S. when the area proved to contain a treasure trove of natural resources.

The Oregon Country. The dispute over Oregon, between Britain and the U.S., led to an uneasy, parallel governing of the territory for almost 30 years.

Progression of the Indian Territory separation from the Arkansaw Territory, 1819–1836

The first state cessions. The 13 original states ceded their western claims to the federal government, allowing for the creation of the country's first western territories and states.

The Northwest Territory was a large and (at times) ill-defined territory ceded by Great Britain to the U.S. at the end of the Revolutionary War. British troops still occupied parts of the area well past 1800.

United States territorial expansion since 1803, maps by William R. Shepherd (1923)

Census Bureau map depicting territorial acquisitions and effective dates of statehood

The Ohio Country, indicating battle sites between settlers and Native American Tribes, 1775–1794

Selected tract purchases of western New York State

Oklahoma Territory and Indian Territory, along with No Man's Land (also known as the Oklahoma Panhandle). The division of the two territories is shown with a heavy purple line. Together, these three areas would become the State of Oklahoma in 1907.

Pennsylvania land purchases from Native Americans

Post-Civil War military districts were set up to aid in the repatriation process of the southern states during Reconstruction.

The Panama Canal Zone was once a territory of the United States

The boundaries of the State of Deseret, as proposed in 1849

Animated map of secession and repatriation of the Confederacy, 1860–1870

The proposed State of Superior. The red areas show the counties of the Upper Peninsula that are generally accepted as being part of the proposed state. The pink areas show the counties of the "expanded" proposal.

The failed State of Lincoln, with its proposed 1868 boundaries

The Philippines was a commonwealth of the United States, 1935–1946

Worldwide location of current U.S. insular areas:

The Territory of Missouri was an organized incorporated territory of the United States that existed from June 4, 1812, until August 10, 1821.

- Missouri Territory

The Arkansas Territory was a territory of the United States that existed from July 4, 1819, to June 15, 1836, when the final extent of Arkansas Territory was admitted to the Union as the State of Arkansas.

- Arkansas Territory

In 1819, the Territory of Arkansas was created from a portion of its southern area.

- Missouri Territory

L. 493), providing for the creation of the Arkansaw Territory on July 4, 1819, from the portion of the Missouri Territory lying south of a point on the Mississippi River at 36 degrees north latitude running west to the St. Francis River, then followed the river to 36 degrees 30 minutes north latitude, then west to the territorial boundary.

- Arkansas Territory

Territory of Missouri (1812–1821) became the State of Missouri and Unorganized Territory (the eastern part of which was attached to the Territory of Michigan in 1834).

- Historic regions of the United States

Territory of Arkansaw (1819–1836) became the State of Arkansas, additions to the unorganized territory of the original Louisiana Purchase, and the unorganized Indian Territory (which eventually spawned Indian Territory, Oklahoma Territory and No Man's Land).

- Historic regions of the United States

A report on Missouri Territory, Arkansas Territory and Historic regions of the United States

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