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Major Territorial Acquisitions (U.S.)

North AmericaGeopolitical

Major territorial acquisitions by the United States

A map of the US highlights the major territorial acquisitions such as the Extent of the US, 1,800 in states like Virginia, Alabama, and Michigan shaded in cream. Mexican Cession, 1,850 in states like California and Nevada are shaded light purple.

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Display by:	Major Territorial Acquisitions (U.S.)
	Extent of U.S., 1803	Louisiana Purchase, 1803	West Florida, 1810–1813	British Cession, 1818	East Florida, 1819	Northern Maine, 1842	Texas Annexation, 1845	Oregon Country, 1846	Mexican Cession, 1848	Gadsden Purchase, 1853	Alaska, 1867	Hawaii, 1898
Alaska											94.5%
Arizona									76.2%	23.8%
Utah									100%
District of Columbia	97.6%
Florida					98.3%
Idaho								99.8%
New Hampshire	99.9%
Rhode Island	97.7%
Vermont	99.9%
Washington								99.4%
Wyoming		70.3%					4.53%	12.4%	12.7%
Montana		82.4%						17.6%
Maine	82.4%					16.6%
North Dakota		57.6%		42.4%
Kentucky	99.9%
Virginia	99.5%
Delaware	98.0%
Mississippi	92.2%		7.44%
West Virginia	100%
Nebraska		100%
Texas							99.5%
Missouri		99.7%
Louisiana		86.4%	12.4%
Hawaii												91.5%
North Carolina	99.2%
Oregon								99.8%
Alabama	95.7%		4.16%
New Mexico							57.5%		40.3%	2.23%
Kansas		91.7%					8.26%
Wisconsin	99.8%
British Columbia											1.43%
New Jersey	99.0%
South Carolina	99.6%
Michigan	99.9%
Connecticut	99.6%
Pennsylvania	100%
Colorado		41.3%					32.3%		26.4%
Nevada									99.9%
Massachusetts	98.1%
Georgia	99.8%
New York	99.4%
Maryland	96.9%
Oklahoma		91.6%					8.45%
Tennessee	99.9%
California									99.7%
Arkansas		99.8%
South Dakota		99.1%
Ohio	100%
Indiana	100%
Minnesota	33.8%	45.1%		20.9%
Iowa		99.8%
Illinois	99.7%

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