MapMaster 3

Atlas (Beta)

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.

Add Columns

Display by:	Major Territorial Acquisitions (U.S.)												Areas at Risk of Soil Degradation				Major Cities of More than 5 Million	Areas of Strong Tornado Occurrence
	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	Areas of serious concern	Areas of some concern	Stable terrain	Nonvegetated land	Toronto	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence	Areas of Strong Tornado Occurrence
Alaska											94.5%				0.154%
Yukon															100%
Northwest Territories															3.06%
District of Columbia	97.6%													100%
Rhode Island	97.7%														95.0%
Nunavut															0.587%
Maine	82.4%					16.6%								0.171%	80.4%
Nova Scotia															18.4%
Prince Edward Island															96.6%
Hawaii												91.5%			1.16%
New Brunswick														35.3%	63.9%
Newfoundland and Labrador															24.7%
Connecticut	99.6%													1.86%	98.1%
Nevada									99.9%				54.5%	39.8%	0.655%
Arizona									76.2%	23.8%			30.7%	40.9%		28.4%		5	1
Utah									100%				13.6%	86.4%				2
Florida					98.3%										99.0%			31	6
Idaho								99.8%					12.7%	87.3%				1
New Hampshire	99.9%														100%			2
Vermont	99.9%													2.39%	97.6%			1
Washington								99.4%					12.5%	11.9%	5.51%			1
Wyoming		70.3%					4.53%	12.4%	12.7%				3.04%	97.0%				15	3
Montana		82.4%						17.6%					5.14%	83.8%				8	4
North Dakota		57.6%		42.4%									92.0%	8.03%				38	6	5
Kentucky	99.9%												1.37%	98.6%				87	26	2
Virginia	99.5%												25.7%	74.1%				28	8
Delaware	98.0%													99.3%				3
Saskatchewan													11.6%	38.7%	49.7%			7
Mississippi	92.2%		7.44%										18.4%	64.8%	16.8%			162	45	7	2
West Virginia	100%												26.7%	73.3%				4
Nebraska		100%											94.5%	5.51%				67	13	7
Texas							99.5%						13.8%	77.2%		8.74%		193	46	7
Missouri		99.7%											53.7%	46.3%				95	36	7	1
Louisiana		86.4%	12.4%										0.161%	18.9%	29.5%			93	15	2
North Carolina	99.2%													99.4%				54	12
Oregon								99.8%					0.146%	13.9%	59.9%			2
Alabama	95.7%		4.16%											73.2%	26.7%			149	34	13	2
New Mexico							57.5%		40.3%	2.23%			5.86%	92.2%		1.91%		7
Kansas		91.7%					8.26%						64.1%	35.9%				82	56	10	1
Wisconsin	99.8%												41.4%	38.2%	20.4%			32	11
British Columbia											1.43%			3.99%	0.242%			1
New Jersey	99.0%													99.1%				2	1
South Carolina	99.6%													90.8%	9.02%			46	15	1
Michigan	99.9%													70.3%	29.6%			20	3
Alberta													3.89%	14.0%	65.8%			9
Pennsylvania	100%												12.1%	87.9%				31	3
Colorado		41.3%					32.3%		26.4%				35.4%	64.6%				25	3
Massachusetts	98.1%														0.575%			2	1
Georgia	99.8%													64.0%	35.9%			90	31	4
New York	99.4%													2.49%	25.0%			17	1
Maryland	96.9%												23.5%	74.6%				8		1
Québec														0.218%	94.2%			30	1
Manitoba													5.67%	12.3%	81.9%			5	4	1	1
Oklahoma		91.6%					8.45%						31.0%	69.0%				104	29	8	2
Tennessee	99.9%												4.84%	95.2%				82	27	8
Ontario														8.22%	91.7%		1	46	1
California									99.7%				10.6%	60.7%	22.9%	5.57%		3
Arkansas		99.8%											31.1%	68.9%				105	23	4
South Dakota		99.1%											56.9%	43.1%				47	7	4
Ohio	100%													100%				42	7	3
Indiana	100%												2.05%	97.9%				58	18	1
Minnesota	33.8%	45.1%		20.9%									26.5%	61.6%	11.9%			60	11	4
Iowa		99.8%											99.1%	0.440%				86	17	4	1
Illinois	99.7%												96.6%	3.35%				108	21	6

0.16.0