In the aftermath of the assasination of US President John F. Kennedy, American politician and Vice-President Lyndon Baines Johnson (1908 – 1973) takes the oath of office to become the 36th President of the United States as he is sworn in by US Federal Judge Sarah T. Hughes (1896 – 1985) (left) on the presidential aircraft, Air Force One, Dallas, Texas, November 22, 1963. Kennedy’s widow, Jacqueline Lee Bouvier Kennedy (later Onassis) stands beside him at right. (Photo by Universal History Archive/Getty Images)