US history 1877-2008 By briana.smith Period: 1920 to 1929 Roaring Twenties Period: 1929 to 1939 Great Depression Period: 1939 to 1945 World War 2 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 Cold War Period: 1990 to 2008 1990s-21st Century