U.S. History Timeline By thedarkestelite Jul 4, 1776 Adoption of Declaration of Independance Mar 4, 1801 Thomas Jefferson Became 3rd President of U.S. Apr 30, 1803 Louisiana Purchase Signed Mar 4, 1809 Thomas Jefferson Goes Out of Office Dec 2, 1823 Adoption of the Monroe Doctrine Mar 4, 1829 Andrew Jackson Became 7th President of U.S. Mar 4, 1837 Andrew Jackson Goes out of Office Apr 2, 1861 Start of the U.S. Civil War Nov 19, 1863 Creation of the Gettysburg Adress Apr 9, 1865 End of the U.S. Civil War