(1) During wartime, one U.S. Navy vessel accidentally torpedoed a ship carrying the U.S. President. Which war? Which President?
(2) On three different occasions, two presidents died in the same calendar year. Which Presidents and which years? HT to @ Walter Wilt (on FB) for the question idea.
(3) How many Presidents were born in January? Which Presidents?
1) U.S. Presidents Thomas Jefferson and John Adams on the same day in 1826. Tyler and Van Buren in 1862. Harrison and McKinley in 1901
2)
1) Truman, WWII???
2) John Adams and Thomas Jefferson is the only one that I can think of