Five - Washington, Jefferson, Madison, Monroe, and Jackson
5 of the first 10 presidents were re-elected for a second term.
he served two terms
George Washington served two terms.
All but John Adams served two terms. The total of the first five was nine terms or 36 years (almost - Washington's first term was about an month short.)
Many presidents have served two full terms.
Only four terms? That's the most any one president has served. Franklin Delano Roosevelt served three terms, starting in 1933, and died during his fourth term in 1945. Every other President has only served one or two terms.
According to the records, we have had 44 presidents, but really we have only had 43 people as president. Grover Clevland served two non-consecutive terms as president
There were 25 US presidents who never served in the Senate.
14 presidents served as vice president before becoming president
He served 2 terms
Zero. Many Presidents served in the military, but none were in ROTC.
Nixon, Kennedy, Lyndon Johnson and Obama were Senators. Nixon, Kennedy, Lyndon Johnson, Ford and George H.W. Bush all served terms in the House.