The historical figure assassinated in 1963, leading to national grief in the United States, was President John F. Kennedy. He was shot on November 22, 1963, in Dallas, Texas, during a motorcade. His assassination shocked the nation and the world, as Kennedy was a young and charismatic leader who had inspired many during his presidency. His death led to widespread mourning and numerous conspiracy theories regarding the circumstances surrounding the assassination. Ultimately, Vice President Lyndon B. Johnson succeeded him, and the event significantly impacted American politics and society during the turbulent 1960s.