Us History By dodgedemonguy@gmail.com Oct 12, 1492 Columbus Discovered America May 14, 1607 Jamestown Founded Period: May 28, 1754 to Feb 10, 1763 French and Indian War Dec 16, 1773 Boston Tea Party Apr 19, 1775 Lexington and Concord Jul 4, 1776 Declaration of Independence Adopted Period: Sep 28, 1781 to Oct 19, 1777 Battle of Yorktown Period: May 25, 1787 to Sep 17, 1787 Constitutional Convention 1793 Cotton Gin Invented 1795 Electric Light Invented 1798 Alien and Sedition Acts Passed Apr 30, 1803 Louisiana Purchase Period: Jun 18, 1812 to Feb 17, 1815 War of 1812 Mar 3, 1820 Missouri Compromise 1828 Andrew Jackson Elected Period: 1831 to 1850 Trail of Tears 1832 Telegraph Invented Period: 1837 to 1840 Panic of 1837 Period: Apr 25, 1846 to Feb 2, 1848 Mexican American War 1850 Compromise of 1850 Apr 12, 1861 Battle/Firing on Fort Sumter Jan 1, 1863 Emancipation Proclamation Jan 31, 1865 13th Amendment Apr 9, 1865 South Surrender at Appomattox Courthouse Apr 15, 1865 Lincoln Assassinated Jun 13, 1866 14th Amendment Feb 24, 1868 Andrew Johnson Impeachment Feb 26, 1869 15th Amendment Mar 7, 1876 Phone Invented Jan 2, 1882 Standard Oil Trust Formed Period: Jun 30, 1892 to Jul 6, 1892 Homestead Strike Period: May 11, 1894 to Jul 20, 1894 Pullman Strike Period: Apr 21, 1898 to Dec 10, 1898 Spanish American War Sep 14, 1901 Theodore Roosevelt Elected Dec 17, 1903 Airplane Invented