Pierce served one complete four-year term.
There were no term limits on the presidency when Pierce was President. Pierce made an effort to get the nomination for a second term, but lost and so served only the one term as President.
Franklin D. Roosevelt was the first president to serve three terms.
Franklin Roosevelt
The ONLY president to be elected to 4 terms was Franklin Delano Roosevelt
Franklin D. Roosevelt
Franklin D Roosevelt -- he served 4 terms
Franklin Roosevelt was the only president to serve more than two terms.
Franklin Roosevelt was the only president to serve three terms . It is now illegal for a president to serve more than two terms, so FDR's record will stand for a long time.
Franklin D. Roosevelt
Franklin Roosevelt was the only one to serve for four terms as president.
The president is Franklin Delanor Roosevelt.
Franklin D. Roosevelt