HIS 109 Timeline By jbmanley Period: Jul 28, 1914 to Nov 11, 1918 World War I 1917 Zimmerman Telegram 1919 Red Summer of 1919 1919 Treaty of Versailles 1920 Prohibition begins 1924 National Origins Act 1925 Scopes "Monkey" Trial Oct 29, 1929 Black Tuesday 1935 Second New Deal begins Dec 7, 1941 Pearl Harbor attacked 1944 Korematsu v. US Jun 6, 1944 D-Day 1945 Potsdam Conference 1948 Marshall Plan enacted 1953 Execution of Julius and Ethel Rosenberg 1954 Brown v. Board Education 1955 Montgomery Bus Boycott begins 1956 The Federal Highway Act of 1956 1965 Voting Rights Act passed 1970 1970