| Portrait                          of hockey goalie Terry Sawchuk before face masks became                          standard in 1966  
 In 1967, challenging the                          all-male tradition of the Boston Marathon, Kathrine                          Switzer, at the time a headstrong 20-year-old junior at                          Syracuse University, entered the race. Two miles in, a                          race official tried to physically remove her from the                          competition.  
                                                                                                                                                       Arnold Schwarzenegger on his first time in New York, 1968 
 New                          York City sidewalks filled with trash during the 1968                          strike of sanitation workers.  
 US                          President Richard Nixon jumps down from the trunk of a                          limousine which carried him and Pakistani President                          Yahya Khan (left, background) in a motorcade to                          Government House after Nixon's arrival in Lahore on                          August 1, 1969  
 Children                          play a game on the Xerox Alto, one of the first personal                          computers with a graphic user interface, 1973. Its                          monitor was switchable between portrait and landscape                          mode.  
 Statue                          of Liberty as seen from Jersey City, 1963  
 President                          Carter with engineers and solar panels newly installed                          on the White House, 1979. President Reagan had them                          removed in 1986, to be reinstalled by President Obama in                          2010  
 Barack                          Obama posing with a group of friends that called                          themselves the Choom Gang, Hawaii, c. 1979. Choom was                          slang for smoking marijuana.  
 Robin                          Williams joins the stunning women of the Denver Broncos'                          Pony Express as pro football's first male cheerleader                          and prances before 70,000 cheering fans in Denver's Mile                          High Stadium 
 Ronald                          Reagan and Nancy Reagan posing with clay soldiers at the                          Mausoleum of Emperor Qin Shi Huang, 1984  
                           John Travolta                          takes Princess Diana for a dance in the White                          House,   
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