The Westward Expansion By Mya.flowers Period: Jan 1, 1750 to Dec 31, 1870 The Westward Expansion Period: Jan 1, 1800 to Dec 31, 1870 The Westward Expansion Apr 30, 1803 The Louisiana Purchase May 14, 1804 The Lewis and Clark Expedition Mar 3, 1820 The Missouri Compromise Dec 2, 1823 The Monroe Doctrine May 28, 1830 The Indian Removal Act and the Trail of Tears Jul 1, 1840 Manifest Destiny Jan 1, 1844 The Oregon Trail Apr 25, 1846 The Mexican-American War Jan 24, 1848 The California Gold Rush May 20, 1862 The Homestead Act May 20, 1862 Transcontinental Railroad
