1492-1903 By Lilylathen Period: 1492 to 1492 The Discovery of America by Columbus Period: 1607 to 1607 The Settlement of Jamestown Period: 1754 to 1763 The French and Indian War Period: 1773 to 1773 The Boston Tea Party Period: 1775 to 1775 The Battle of Lexington and Concord Period: 1776 to 1776 The Declaration of Independence Period: 1781 to 1781 The Battle of Yorktown Period: 1787 to 1787 The Constitutional Convention Period: 1794 to 1794 The invention of the cotton gin Period: 1798 to 1798 The Alien and Sedition Acts Period: 1803 to 1803 The Louisiana Purchase Period: 1812 to 1815 The War of 1812 Period: 1820 to 1820 The Missouri Compromise Period: 1828 to 1828 Andrew Jackson’s Election Period: 1830 to 1840 The invention of the telegraph Period: 1831 to 1831 The Trail of Tears Period: 1837 to 1843 The Panic of 1837 Period: 1846 to 1848 The Mexican-American War Period: 1850 to 1850 The Compromise of 1850 Period: 1861 to 1861 The Firing on Fort Sumter Period: 1863 to 1863 The Emancipation Proclamation Period: 1863 to 1863 The Organization of Standard Oil Trust Period: 1865 to 1865 Surrender at Appomattox Courthouse Period: 1865 to 1865 Abraham Lincoln’s Assassination Period: 1865 to 1870 13th, 14th, 15th Amendments Period: 1868 to 1868 Andrew Johnson’s Impeachment Period: 1877 to 1903 The invention of the electric light, telephone, and airplane Period: 1892 to 1907 The Pullman and Homestead Strikes Period: 1898 to 1898 The Spanish-American War Period: 1901 to 1909 Theodore Roosevelt becomes president