U.S History:1887-2008 By Jordan.Schultz Period: 1776 to 1860 Early American History Jul 4, 1776 Declaration of Independance Sep 17, 1787 Constitution Written Dec 15, 1791 Bill of Rights ratified Period: 1860 to 1877 Civil War/ Reconstruction Apr 8, 1864 13th Admendment Abolished Slavery Jul 9, 1868 14th Admenedment Citizenship and due process 1869 Transcontinetal Railroad completed Feb 3, 1870 15th Admedment 1876 Telephone invetned by Alexander Graham Bell Period: 1877 to 1900 The Gilded Age Rockefeller/Carnegie(Captions of Industry vs. Robber Barons) Philanthropy Monopoly Jane Addams Laissez-Faire Period: 1890 to 1920 The Progressive Era Period: 1898 to 1910 Imperialism Period: 1914 to 1918 World War I Period: 1920 to 1929 Roaring Twenties Period: 1929 to 1939 Great Depression Period: 1939 to 1945 World War II Period: 1945 to 1960 Early Cold War Period: 1950 to 1970 Civil Rights Era Period: 1954 to 1976 Vietnam War Period: 1970 to 1991 End of the Cold War Period: 1990 to 2008 1990s-21st Century