Historic Regions of The United States - Regions Annexed From or Ceded By Foreign Powers

Regions Annexed From or Ceded By Foreign Powers

• American Samoa; 1899, from Germany
• The Aroostook War Compromise Lands; 1842, split jointly-claimed areas with the U.K.
  • Maine–New Brunswick Border
    • Republic of Indian Stream
    • South Acadia
  • Northwest Angle
  • Rupert's Land south of the 49th parallel
• Guam; 1898, from Spain
• Mexican Cession; (effective 1848), from Mexico, including:
  • Alta California (California, Nevada, Utah)
  • Nuevo Mexico (New Mexico, Arizona, parts of Texas, Colorado, Oklahoma, Wyoming, Kansas)
    • Provisional New Mexico
• Northern Mariana Islands; 1945, from Japan (a U.S. administered United Nations trust territory 1945-1972; since 1972 a U.S. commonwealth)
• Oregon Country (U.S.), the 1846 Oregon Treaty finally split the jointly governed region (called Columbia by the English) between the U.S. and Great Britain at the 49th parallel.
• Pembina Territory or the Red River Basin; (often referred to as the British Cession of 1818) to U.S. in an exchange for the unorganized territory of the original Louisiana Purchase lands north of the 49th parallel.
• The Philippine Islands; 1898, from Spain; became a U.S. Territory (1900–1935) and a U.S. commonwealth (1935–1946)
• Puerto Rico; 1898, from Spain
• Texas Annexation; annexed from Mexico, 1846, including most of present day Texas and parts of Oklahoma, Colorado, Wyoming and No Man's Land; disputed with Mexico until 1848.
  • included old Coahuila y Tejas areas
• Republic of West Florida Annexation; seceded from Spain, 1810; disputed with Spain until 1821.
  • Baton Rouge District (annexed by the U.S., 1810)
  • Mobile District (annexed by the U.S., 1812)
• United States Minor Outlying Islands (various claims)

• Some historic and current U. S. Territories

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

• Worldwide location of current U. S. insular areas:

• The Commonwealth of Puerto Rico.