U.S History By abbieb Oct 12, 1492 Discovery of America by Columbus Apr 13, 1601 Settlement of Jamestown Apr 28, 1754 French and Indian War Jul 4, 1773 Declaration of Independence Dec 16, 1773 Boston Tea Party Mar 19, 1774 Battle of Lexington and Concord Sep 28, 1781 Battle of Yorktown 1792 Alien and Sedition Acts Mar 14, 1794 Invention of the cotton gin Apr 25, 1798 Constitutional Convention 1803 Louisiana Purchase Jun 18, 1811 War of 1812 Mar 6, 1820 Missouri Compromise 1825 Trail of Tears Mar 4, 1826 Andrew Jackson’s Election Mar 17, 1833 Panic of 1837 May 24, 1844 Invention of the telegraph Apr 25, 1846 Mexican-American War 1850 Compromise of 1850 Apr 9, 1859 Surrender at Appomattox Courthouse Apr 12, 1861 Firing on Fort Sumter (start of Civil War) Jan 1, 1863 Emancipation Proclamation Jan 31, 1865 13th, 14th, 15th Amendments Apr 14, 1865 Abraham Lincoln’s Assassination Feb 24, 1867 Andrew Johnson’s Impeachment 1878 Invention of the electric light (1879), telephone (1876), airplane (1903) 1879 Organization of Standard Oil Trust Jul 6, 1892 Homestead Strike (1892) and Pullman Strike (1894) Feb 15, 1896 Spanish-American War Sep 14, 1901 Theodore Roosevelt becomes president