1800s

Louisiana Purchase

Apr 30, 1803

Purchase of Florida

Feb 22, 1819

Annexation of Texas

Dec 29, 1845

Mexcian-American War

Period: Apr 25, 1846 to Feb 2, 1848

Oregon Territory

Jun 18, 1846

Californnian Gold Rush

Period: Jan 24, 1848 to Jan 1, 1855

Mexican Cession

Feb 2, 1848

Treaty of Guadalupe Hidalgo

Feb 2, 1848

Gadsden Purchase

Jun 24, 1853