U.S. Territorial Acquisitions

Date

Territory

Area
(square miles)

Comment

1783

Former colonies

892,135

Treaty of Paris of 1783 following military victory

1803

Louisiana Purchase

827,987

Purchased from France for $15 million, including assumed claims

1819

Florida (East and West)

72,101

Purchased from Spain for $5 million in assumed claims under Adams-Onís Treaty

1845

Texas

389,166

Annexation of independent republic

1846

OregonTerritory

286,541

The Oregon Treaty with Great Britain

1848

Mexican Cession

529,189

Purchase from Mexico following military victory; $15 million plus 3.25 million in assumed claims

1853

Gadsden Purchase

29,670

Purchased from Mexico for $10 million

1857

Baker Island
Howland Island
Jarvis Island

.5
.6
1.7

Unincorporated territory claimed under Guano Act of 1856

1858

Johnston Atoll

1.1

Unincorporated territory annexed under Guano Act of 1856; chemical weapon disposal site

1867

Alaska

591,000

Purchased from Russia for $7.2 million; statehood 1959

1867

Midway Islands

2

Annexation of unoccupied area

1898

Hawaiian Islands

6,450

Annexation of independent republic; statehood 1959

1898

Philippine Islands

115,800

Purchased from Spain following military victory; independent in 1946

1898

Puerto Rico

3,508

Annexed following military victory over Spain

1898

Guam

209

Annexed following military victory over Spain

1899

American Samoa

76

Annexed in settlement with Britain and Germany

1899

Wake Island

3

Annexation of unoccupied area

1903

Panama Canal Zone

553

Leased from Panama for $10 million, plus $250,000 annually; ceded to Panama in 1999

1917

Virgin Islands

136

Purchased from Denmark for $25 million; currently an organized, unincorporated U.S. territory under jurisdiction of Office of Insular Affairs of the Dept. of the Interior

1922

Kingman Reef

.4

Annexed 1922; later airline refueling; currently uninhabited; National Wildlife Refuge

1938

Kanton and Enderburyislands

3.5
3.0

Joint occupation with Britain; independent as Kiribati in 1979

1947

Mariana Islands

179

United Nations Trust Territory; self-governing as Northern Mariana Islands

1947

Caroline Islands

500

United Nations Trust Territory; 1986 most islands adopt commonwealth status as Federated States of Micronesia

1947

Marshall Islands

70

United Nations Trust Territory; 1979 self-governing; 1986 independent as Republic of the Marshall Islands

Off-site search results for "U.S. Territorial Acquisitions"...

U.S. Commission on Civil Rights - Acquisition Opportunities
... Rights is seeking a contractor to conduct a full scope financial audit of the U.S. Commission on Civil Rights’ annual financial statement for the fiscal year ending September 30, 2006. A copy of the Solicitation may be requested via email ...
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Travel and Tourism Sites for the 50 States and U.S. Territories: FirstGov.gov
Territories Travel and Tourism Sites for the 50 States and U.S. Territories Local Weather ForecastEnter City or Zip Code:  Featured SitesAlabama Vacation Planning Guide Visit one of the U.S. states or visit them all. You'll see that the U.S ...
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Official Name and Status History of the several States and U.S. Territories
Territory and the only Territory organized by the Congress that operated under the Articles of Confederation17th1 March 1803(Admitted)by an Act of Congress of 19 February 1803 recognizing a State government already formed30 April 1802authorizing ...
http://www.thegreenpapers.com/slg/statehood.phtml