Chapter 12 By haileehise Feb 11, 1819 Adam Onis Treaty Period: Feb 11, 1819 to Feb 11, 1861 Chapter 12 Feb 11, 1830 Joseph Smith founds the Mormon Church Feb 11, 1836 Battle of the Alamo Feb 11, 1844 James K. Polk elected president Feb 11, 1845 Texas Annexation Feb 11, 1846 Boundry set between Oregon and Canada Feb 11, 1846 Mormon migration to Utah Feb 11, 1847 Whitman Mission Attacked by the Cayuse Feb 11, 1848 Treaty ofGuadalupe Hidalgo Feb 11, 1848 Sutter's Mill Gold Strike Feb 11, 1853 Gadsen Purchase