U.S. History: 1887-2008 By Zachary.Finn Period: 1776 to 1860 Early American History Period: 1860 to 1877 Civil War/Reconstruction Period: 1877 to 1900 The Gilded Age 1882 Chinese Exclusion Act 1883 Pendleton Civil Service Act 1887 Interstate Commerce Act 1887 Dawes Act 1889 Hull House founded, first of many settlement houses 1890 Sherman Anti-Trust Act Period: 1890 to 1920 The Progressive Era Period: 1898 to 1910 Imperialism 1906 The Jungle by Upton Sinclair is published 1909 NAACP Founded Period: 1914 to 1918 World War I 1916 National Parks System created Period: 1920 to 1929 Roaring Twenties Period: 1929 to 1929 Great Depression Period: 1939 to 1945 World War II 1945 United Nations formed Period: 1945 to 1960 Early Cold War 1948 Berlin Airlift 1949 NATO established Period: 1950 to 1970 Civil Rights Era Period: 1950 to 1953 Korean War 1951 Rosenbergs trial 1952 First H-Bomb detonated by the United States Period: 1954 to 1976 Vietnam War 1955 Jonas Salk invents the Polio Vaccine 1957 USSR launches Sputnik 1970 Kent State University shooting Period: 1970 to 1991 End of the Cold War 1974 Watergate Scandal 1978 Camp David Accords 1979 Iran Hostage Crisis 1979 Three Mile Island Disaster 1985 Iran Contra Affair 1990 Persian Gulf War Period: 1990 to 2008 1990s-21st Century 1991 Fall of the USSR 1994 NAFTA created free trade between Mexico, the US, and Canada 2001 Attack on World Trade Center 2005 Hurricane Katrina