25 Rare Photos That Changed the Course of Our Nation

Nov. 22, 1963 — Assassination of President John F. Kennedy

President John F. Kennedy slumps down in the backseat of his presidential limousine in Dallas after being fatally shot by a sniper. First lady Jacqueline Kennedy leans over the president as Secret Service agent Clint Hill pushes her back to her seat. “She’s going to go flying off the back of the car,” Hill thought as he tried to secure the first lady.

James W. Ike Altgens / AP