How many terms did franklin d. roosevelt serve as the united states president?

Franklin D. Roosevelt served 4 terms, specifically from March 4, 1933 to April 12, 1945. Washington's two-term limit became an unwritten rule for all Presidents until 1940, when FDR ran and won for a third term. The amendment was passed by Congress; FDR was the only President to serve more than 2 terms.

the answer to your question is,

old stone age.

-mabel < 3

what is the question?