Bucking the precedent set by George Washington, for how many years did Franklin Delano Roosevelt serve as U.S. president?
Answer 12 years
After setting the precedent of an eight-year presidency at most, Washington's successors all followed – except for Franklin Roosevelt. As WWII began, FDR ran for a third term in 1940, which he won, serving the office for over 12 years. The 22nd amendment followed.
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