1800-1876 By coltshelt 1800 Library of Congress Founded 1800 Thomas Jefferson Elected 1803 Louisiana Purchase 1803 Ohio Becomes a State 1804 12th Amendment Ratified 1804 Lewis and Clark begin their expadition 1809 James Madison becomes President 1812 Battle of 1812 1815 Batle of New Orleans 1817 James Moore becomes Fifth President 1830 Indian Removal Act 1830 Oregon Trail Migration Begins 1832 Black Hawk War 1837 U.S Recognizes Republic of Texas 1846 U.S Mexican War begins 1849 California Gold rush Begins 1853 Gadsen Purchase 1860 Pony Express Begins 1862 HomeStead Act 1870 15th Amendment 1876 Battle of Little Bighorn
