U.S. History: 1776-2008 By jaden.blake Period: 1776 to 2008 U.S. History: 1776-2008 Period: 1776 to 1860 Early American History (1776-1860) Period: 1860 to 1877 Civil War/Reconstruction (1860-1877) Period: 1877 to 1900 The Gilded Age (1877-1900) 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 (1920-1929) Period: 1929 to 1939 Great Depression (1929-1939) Period: 1939 to 1945 World War II (1939-1945) Period: 1945 to 1960 Early Cold War (1945-1960) Period: 1950 to 1970 Civil Rights Era (1950-1970) Period: 1954 to 1976 Vietnam War (1954-1976) Period: 1970 to 1991 End of the Cold War (1970-1991) Period: 1990 to 2008 990s-21st Century (1990-2008)