U.S History: 1887-2008 By caleb taylor 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: 1914 to 1918 World War 1 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 -containment -Arms Race/space race -The Union of Soviet Socialist Republics -Communism -domino theory Period: 1950 to 1970 End of the Cold War Period: 1954 to 1976 Vietnam War 1962 Cuban Missile Crisis 1965 Medicare and Medicaid established 1968 Tet Offensive 1971 Pentagon Papers leaked 1975 Fall of Saigon, marks the end of the Vietnam War Period: 1990 to 2008 1990-21st Century