us history 1887-2008 By cheyennehagadorn Period: 1776 to 1860 early american history Period: 1860 to 1877 civil war/reconstruction Period: 1877 to 1900 the gilded age Period: 1890 to 1920 The Progressive Era (1890-1920) Period: 1898 to 1910 Imperialism (1898-1910) Period: 1914 to 1918 World War I (1914-1918) Period: 1920 to 1929 Roaring Twenties Period: 1924 to 1960 Early Cold War Period: 1929 to 1939 Great Depression (1929-1939) Period: 1939 to 1945 World War II (1939-1945) 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