Cause and Effect 1800-1860 By NorbutJD Jul 4, 1803 Lousiana Purchase Lasted until 1804 Period: Jun 18, 1812 to Feb 18, 1815 The War of 1812 The war of 1812 lasted 2 years and 8 months exactly Dec 24, 1814 Treaty of Ghent The treaty that ended The War of 1812 Jan 8, 1815 The Battle of New Orleans The final major battle of The War of 1812 Mar 3, 1820 Missouri Compromise was Passed The Missouri Compromise was passed to end The War of 1812