The Western Frontier By PartyMan500 Apr 30, 1803 America acquires new territory in the Louisiana Purchase Mar 27, 1814 Creek Indians are defeated at the Battle of Horseshoe Bend Mar 4, 1829 Andrew Jackson is elected President May 28, 1830 The Indian Removal Act is passed Feb 2, 1848 Signing of the Treaty of Guadalupe Hidalgo May 30, 1854 The Kansas-Nebraska Act is signed into effect Dec 14, 1893 Frederick Jackson Turner reveals "The Significance of the Frontier in American History" "The Significance of the Frontier in American History" shapes the nation's perception of the unclaimed land to the West.