History timeline Eli Warren By Eli Warren 18,000 BCE People Crossed through Beringia 1400 Prehistory 1492 Columbus reaches the Bahamas 1607 Jamestown is founded 1620 Plymouth is founded 1675 Stamp Tax Period: 1675 to 1676 King Phillip's War 1770 Boston Tea Party 1770 Boston Massacre 1774 First Continental Congress 1775 Battle of Lexington and Concord Period: 1775 to 1783 Revolutionary War 1776 Declaration of Independence 1787 United States Constitution signed 1800 Labor Unions started Period: 1804 to 1806 Lewis and Clark Expedition 1820 Missouri Compromise Period: 1831 to 1833 Trail of Tears Period: 1846 to 1848 Mexican War 1849 Gold Rush begins 1854 Kansas Nebraska Act Period: 1861 to 1865 American Civil War Period: 1862 to 1879 Homesteading the plains 1865 First transcontinental railroad Period: 1865 to 1877 Reconstruction Period: 1866 to 1886 Cattle drives the plains 1867 Alaska purchased 1869 Suez Canal opens Period: 1870 to 1924 Massive immigration to America 1873 Carnegie builds steel mill Period: 1874 to 1881 Plains War 1876 First telephone conversation 1878 Edison invents electric lightbulb Period: 1880 to 1890 Electricity for cities Period: 1883 to 1914 Jim Crow Laws created 1890 Labor Unions Period: 1890 to 1910 Progressive Era 1893 The panic of 1893 1898 Spanish-American War 1898 Hawaii becomes U.S. possession 1898 U.S. gains control of Puerto Rico, Philippine Islands and other Pacific islands 1900 United States has become a world power 1901 Theodore Roosevelt becomes President 1901 U.S. takes over Panama Canal construction 1903 Wright brothers make first airplane flight 1913 Henry Ford build cars on assembly line 1914 U.S. Opens the Panama Canal Period: 1914 to 1918 World War I 1917 Russian Revolution Period: 1929 to 1941 World-wide Depression Period: 1939 to 1945 World War II 1945 First atomic bomb exploded 1946 Beginning of Cold War Period: 1950 to 1952 Korean War Period: 1950 to 1960 American Civil Rights Movement 1959 Cuban Revolution 1963 Assassination of President Kennedy Period: 1965 to 1973 Vietnam War Jul 20, 1969 Apollo 11 1989 Collapse of Communism in Europe 1991 End of the Cold War and Break up of the Soviet Union 1992 Formation of the European Union 2001 Terrorists attack American landmarks Period: 2003 to 2011 Iraq War 2008 Election of President Barack Obama