u.s history A timeline By Queen2002 Aug 3, 1492 the discovery of America by Columbus Period: Aug 3, 1492 to 1901 us history a May 4, 1607 the settlement of Jamestown May 28, 1754 the French and 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 Oct 19, 1781 the battle of Yorktown May 14, 1787 the constitutional convection Mar 14, 1794 the invention of the cotton gin 1798 the alien and Sedition act Apr 30, 1803 the Louisiana Purchase Jun 18, 1812 the war of 1812 Mar 3, 1820 the Missouri Compromise Oct 31, 1828 Andrew Jackson's election May 10, 1837 the panic of 1837 1839 the trail of tears May 24, 1844 the invention of the telegraph Apr 25, 1846 the Mexican American war Jan 29, 1850 the compromise of 1850 Oct 27, 1858 Theodore Roosevelt becomes president Mar 12, 1861 the firing on fort Sumter Jan 1, 1863 21. The Emancipation Proclamation Apr 5, 1865 Abraham Lincoln Assassination Apr 9, 1865 surrender of Appomattox Courthouse Dec 6, 1865 13th,14th,15th Amendments Feb 24, 1868 Andrew Johnson's impeachments 1870 26. The Organization of Standard Oil Trust Jul 1, 1889 The Pullman and Homestead Strikes Apr 25, 1898 . The Spanish-American War 1901 The invention of the electric light, telephone, and airplane