US History Timeline By Arctic Proto Aug 2, 1492 Discovery of America By Columbus May 14, 1607 Settlement of Jamestown 1754 French and Indian War Dec 16, 1773 Boston Tea party Apr 19, 1775 Battle of Lexington and Concord Aug 2, 1776 Declaration of Independence Sep 28, 1781 Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 Constitutional Convention Mar 14, 1794 Invention of the Cotton Gin Jun 18, 1798 Alien and Sedition Acts 1802 Invention of Electric light Apr 30, 1803 The Louisiana Purchase Period: Jun 18, 1812 to Feb 18, 1815 War of 1812 Took place on 1812 Mar 2, 1820 The Missouri Compromise Mar 4, 1829 Andrew Jackson’s Election Period: 1837 to 1843 Panic of 1837 Took place on 1837 Sep 15, 1838 Trail of Tears May 24, 1844 Invention of Telegraph Period: Apr 25, 1846 to Feb 2, 1848 Mexican-American War Jan 29, 1850 Compromise of 1850 Took place in 1850 Period: Apr 12, 1861 to Apr 13, 1861 Firing on Fort Sumter Jan 1, 1863 Emancipation Proclamation Period: 1865 to 1870 13th, 14th, and 15th Amendments All instilled between the timespan shown. Apr 9, 1865 Surrender at Appomattox Courthouse Feb 24, 1868 Andrew Johnson’s Impeachment Period: 1870 to 1911 The Organization of Standard Oil Trust 1876 Invention of Telephone May 11, 1894 The Pullman and Homestead Strikes Period: Apr 21, 1898 to Dec 10, 1898 The Spanish American War 1903 Invention of Airplane May 4, 1904 Theodore Roosevelt Elected President