The original 13 colonies
Land won in 1846 in a treaty with Britain - Oregon Country
Added to US in Adams - Onis treaty 1819 - It was Spanish
Its own Republic for 9 years it was annexed into the US in 1845
Louisiana Purchase - from France 1803
Huge area won- 1848 in war with Mexico
Bought from Mexico 1853
From Britain 1842 - it's almost all forest.
Ceded by Britain in 1818
Land won from Britain in the American Revolution
Known as Spanish Florida or west Florida