Western Expansion Timeline By Furmigon Apr 30, 1803 Louisiana Purchase http://www.history.com/topics/louisiana-purchase Period: May 1, 1804 to Sep 1, 1806 Lewis and Clark Expedition https://www.archives.gov/education/lessons/lewis-clark Period: Jan 1, 1811 to Jan 1, 1840 Oregon Trail http://www.historynet.com/oregon-trail Period: Jun 18, 1812 to Mar 23, 1815 War of 1812 http://www.history.com/topics/war-of-1812 Sep 26, 1820 Daniel Boone http://www.history.com/topics/daniel-boone Jan 8, 1825 Eli Whitney http://www.biography.com/people/eli-whitney-9530201 Period: Oct 2, 1835 to Nov 16, 2016 Texas Revolution http://www.history.com/topics/war-of-1812 Jan 1, 1838 Trail of Tears http://www.history.com/topics/native-american-history/trail-of-tears Aug 1, 1845 Manifest Destiny http://www.history.com/topics/manifest-destiny Jan 1, 1846 The Donner Party http://www.history.com/topics/donner-party Period: Apr 25, 1846 to Feb 2, 1848 The Mexican War https://www.britannica.com/event/Mexican-American-War Jan 1, 1847 Marcus and Narcissa Whitman http://www.pbs.org/weta/thewest/people/s_z/whitman.htm Period: Jan 24, 1849 to Jan 1, 1855 The California Gold Rush http://www.history.com/topics/gold-rush-of-1849 Period: Jun 25, 1876 to Nov 26, 1876 The Battle of Little Bighorn June 25, 1876 – June 26, 1876 Jul 13, 1890 John Fremont https://www.britannica.com/biography/John-C-Fremont Dec 29, 1890 The Massacre at Wounded Knee http://www.eyewitnesstohistory.com/knee.htm