U.S. History By Katjen123 1492 Discovery of America by Columbus. 1607 Jamestown 1754 French and Indian war 1773 Boston tea party 1775 Battle of Lexington and Concord 1776 Declaration of Independence 1781 Battle of Yorktown 1787 The Constitutional Convention 1793 Cotton Gin 1798 Alien and Sedition Acts 1803 Louisiana Purchase 1812 War of 1812 1820 The Missouri Compromise 1828 Andrew Jackson's Election 1837 The Panic of 1837 1839 The Trail of Tears 1840 Invention of the Telegraph 1846 The Mexican - American War 1850 The Compromise of 1850 1857 13th, 14th, 15th, Amendments 1861 The Firing on Fort Sumter 1863 The Emancipation Proclamation 1865 Surrender At Appomattox Courthouse 1865 Abraham Lincoln's Assassination 1868 Andrew Johnson's Impeachment 1870 Organization of Standard Oil Trust 1880 Invention of the electric light, Telephone, And Airplane. 1894 The Pullman And Homestead Strikes 1898 The Spanish - American War 1901 Theodore Roosevelt Becomes President