Interactive Map

United States

Mar 17, 1783

Louisiana Purchase

Mar 17, 1803

West Florida Annexation Begins

Mar 17, 1810

West Florida Annexation Ends

Mar 17, 1813

Red River Cession

Mar 17, 1818

East Florida

Mar 17, 1819

Webster Ashburton Treaty

Mar 17, 1842

Texas Annexation

Mar 17, 1845

Oregon Territory

Mar 17, 1846

Mexican Cession

Mar 17, 1848

Gadsden Purchase

Mar 17, 1853