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Kennedy's assassination, investigation and the aftermath. Governor John and Nellie Connally, and President John and Jacqueline Kennedy in a motorcade in Dallas, Texas on November 22, 1963.

Riding with Kennedy are First Lady Jacqueline Kennedy, right, Nellie Connally, second from left, and her husband, Texas Gov. John Connally, far left. (Jim Altgens/The Associated Press) ...

Kennedy was assassinated November ... he pronounced dead just 30 minutes later. Governor Connally was shot in the back, but recovered from his injuries. Jackie would go on to remarry, in 1968 ...

FILE - President John F. Kennedy waves from his car in a motorcade in Dallas, with first lady Jacqueline Kennedy, right, Nellie Connally, second from left, and her husband, Texas Gov. John ...

FILE - President John F. Kennedy waves from his car in a motorcade in Dallas, with first lady Jacqueline Kennedy, right, Nellie Connally, second from left, and her husband, Texas Gov. John Connally, ...

FILE - President John F. Kennedy waves from his car in a motorcade in Dallas, with first lady Jacqueline Kennedy, right, Nellie Connally, second from left, and her husband, Texas Gov. John ...