US History A Timeline By BellaBob Oct 12, 1492 The Discovery of America by Columbus May 14, 1607 The Settlement of Jamestown Feb 24, 1668 Andrew Johnson's Impeachment May 28, 1754 French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 Declaration of Independence Sep 28, 1781 The Battle of Yorktown May 25, 1787 The Constitutional Convention Mar 14, 1794 The Invention of Cotton Gin 1798 The Alien and Sedition Rights Apr 30, 1803 The Lousiana Purchase Jun 18, 1812 The War of 1812 Mar 6, 1820 The Missouri Compromise Mar 4, 1829 Andrew Jackson is Elected 1830 The trail of Tears 1837 The invention of the telegraph 1837 The Panic of 1837 Apr 25, 1846 The Mexican-American War Jan 29, 1850 The Compromise of 1850 Apr 12, 1861 The Firing of Fort Sumter Jan 1, 1863 The Emancipation Proclamation 1863 The Organization of Standard Oil Trust Jan 31, 1865 13th 14th 15th Amendments Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln's Assassination 1879 The Invention of the electric light, telephone, and airplane Apr 1, 1892 The Pullman and Homestead Strikes Apr 21, 1898 The Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes President