1951- 1961-1975 1968 20th century Chicago Chicago (Ill.) Democratic National Convention (1968 : Chicago Democratic Party Election Eugene J. McCarthy Fla.) Florida George S. (George Stanley) McGovern Hubert H. (Hubert Horatio) Humphrey Ill.) Illinois Miami Beach Nelson A. (Nelson Aldrich) Rockefeller Norman Mailer Politics and government Presidential candidates Presidents Protest movements Republican National Convention (1968 : Miami Beach Republican Party Richard J. Daley Richard M. (Richard Milhous) Nixon Riots Ronald Reagan Student movements United States Vietnamese Conflict Yippies (Youth International Party)