who is the only man known to have witnessed the assassinations of 3 different presidents
Robert Todd Lincoln Robert Lincoln was coincidentally either present or nearby when three presidential assassinations occurred.[42]
List of Presidents of the United States Since the office was established in 1789, 44 men have served as president. The first, George Washington, won a unanimous vote of the Electoral College. Grover Cleveland served two non-consecutive terms in office, and is counted as the nation's 22nd and 24th presidents; the incumbent, Donald Trump, is therefore the 45th president. There are currently five living former presidents. The most recent death of a former president was on December 26, 2006 with the death of Gerald Ford.