US History Timeline By Heidi J 1492 The Discovery of America by Columbus 1607 The Settlement of Jamestown Period: 1754 to 1763 The French Indian War Dec 16, 1773 The Boston Tea Party Apr 19, 1775 The Battle of Lexington and Concord Jul 4, 1776 The Declaration of Independence 1781 The Battle of Yorktown 1787 The Constitutional Convention 1789 The Alien and Sedition Acts 1794 The invention of The Cotton Gin 1803 The Louisiana Purchase Period: 1812 to 1815 The War of 1812 1820 The Missouri Compromise 1828 Andrew Jackson’s Election 1830 The invention of the telegraph 1830s-1840s 1831 The Trail of Tears Period: 1837 to 1843 The Panic of 1837 Period: Apr 25, 1846 to Feb 2, 1848 The Mexican-American War: April 25, 1846 – February 2, 1848 Jan 29, 1850 The Compromise of 1850 Apr 12, 1861 The Firing on Fort Sumter Jan 1, 1863 The Emancipation Proclamation 1865 13th Amendment Passed Apr 9, 1865 Surrender at Appomattox Courthouse Apr 15, 1865 Abraham Lincoln’s Assassination 1868 14th Amendment Passed Feb 24, 1868 Andrew Johnson’s Impeachment 1870 15th Amendment Passed 1870 The Organization of Standard Oil Trust 1876 The Invention of the Telephone Oct 14, 1878 The Invention of The Electric Light 1892 The Homestead Strike 1894 The Pullman Strike 1898 The Spanish-American War 1901 Theodore Roosevelt Becomes President Dec 17, 1903 The Invention of The Airplane