U.S. History By servarG_nodnaL Mar 20, 1845 StateHood For Texas Apr 25, 1845 Mexican American War Jul 1, 1845 U.S.-Canadian Border Debate Dec 29, 1845 Texas Enters US Jan 1, 1846 Sioux Protest Jun 14, 1846 California Revolt Sep 14, 1847 Mexico In Crisis Dec 1, 1847 Polk Addresses Congress Jan 21, 1848 Gold Discovered Mar 10, 1848 Senate Ratifies Guadalupe Hidalgo
