The French
1865
1789
No, George Washington started the US Navy through several executive orders. The official birthdate of the US Navy is considered 13 October 1775.
No US president got their heads cut off. Now some of them lost thier heads and their minds. but that is a different story.
Harry TrumanHerbert Hoover
Byrd was a US Naval Officer and got to Antarctica by US Navy vessels.
thedore roosevelt.............I think.......maybe.......I don't know
US Presidents George H. Bush, Gerald Ford, Richard Nixon, and (Lyndon) Johnson served in the US Navy during World War II.
Democratic US Presidents with military service were Andrew Jackson (Army), James K. Polk (Tennessee state militia), Franklin Pierce (Army), James Buchanan (Army), Andrew Johnson (Army), Harry S. Truman (Army), John F. Kennedy (Navy), Lyndon B. Johnson (Navy), and Jimmy Carter (Navy).
Coolidge, Cleveland, Carter and Clinton have "C' as their last initial.
Five presidents played a part in the conflict. Eisenhower started sending in military advisers. Then Kennedy, Johnson, Nixon and finally Gerald Ford got the US out of it.