american expansion By boombot232 Oct 22, 1734 Daniel Boon Was Born Mar 14, 1794 Cotton Gin Sep 4, 1802 Marcus Whitman May 14, 1804 Lewis and clark Start their expedition Mar 14, 1808 Narcissa Whitman Jun 18, 1812 War Of 1812 Started Jan 21, 1813 John Fremont Was Born Jun 22, 1832 Indian Trial Of Tears Apr 21, 1836 Texas Revolution Apr 18, 1843 Oregon Trail Aug 5, 1845 Manifest Destiny Apr 25, 1846 The Mexican War Started May 15, 1846 Donner Party Jan 24, 1848 Gold Rush