The 16th President of United States Abraham Lincoln or in other terms the 1st President of United States who was shot dead, was 56 at the time of his assassination. John Wilkes Booth shot at him with a Philadelphia Deringer pistol while he was watching a show “Our American Cousin” in Ford’s Theatre, Washington D.C. with his wife. He died on 15th April 1865, at 7:22 am.