Unit8&9 By Johnathan Mitche 1860 Early American History (1776-1860) 1877 Civil War/Reconstruction 1900 The Gilded Age 1910 Imperialism 1918 World War I 1920 The Progressive Era 1929 Roaring Twenties 1939 Great Depression 1945 World War II 1960 Early Cold War 1970 Civil Rights Era 1976 Vietnam War 1991 End of the Cold War 2008 1990s-21st Century