world history 1887-2008 By deandre.brown Period: 1776 to 1860 early american history Period: 1860 to 1877 civil war/reconstruction Period: 1877 to 1900 the gilden age Period: 1890 to 1920 the progressive era Period: 1898 to 1910 Imperialism Period: 1914 to 1918 world war Period: 1920 to 1929 roaring twenties Period: 1929 to 1939 great depression Period: 1939 to 1945 world war III 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