How long was the shortest presidency and who was it?

Harrison went on to serve as the ninth U.S. president for a brief 32 days in 1841, the shortest term ever served. .... known today as the Davis Cup is first put up for competition when American collegian Dwight Filley Davis challenges British tennis players to come across the Atlantic and compete against his Harvard team. read more

William Henry Harrison spent the shortest time in office, and Franklin D. Roosevelt spent the longest. He is the only president to have served more than two terms. read more

Not necessarily. What it means is that two hours and fifteen minutes is not enough time for a president to get in any trouble. Or, for that matter, it's not enough time for a president to get our country in any trouble. read more