us history By Emiliano.wats0n 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 Period: 1898 to 1910 imperialism 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 1962 cuban missile crisis 1964 gulf of tonkin resolution gave president unlimited power 1965 medicar and medicaid established 1968 tet offensive Feb 24, 1969 tinker vs des moise Period: 1970 to 1991 End of the Cold War 1971 pentagon papers leaked Jul 4, 1971 26th amendment ratified 1973 war powers act took away presidents unlimited power 1975 fall of saigon Period: 1990 to 2008 1990s-21st century Period: 1990 to 2008 1990s-21st Century