America? No-one, Franklin D Roosevelt was the longest serving president, he served for 12 years from 1933 to 1945 and died in office on April 12th.
James Buchanan served as President from 1857-1861.
President Gorge Washington served as present in the 1890s
He was in office 1889-1893.
Bill Clinton. He served from 1993-2001.
He became president in 1901 and served to 1909
He served as vice president from 1789 to 1797
He was elected President of Mexico in 1861 and served as a provisional President before that (1858-1861).
Clara Barton served as Red Cross president for 23 years, retiring in 1904.
In 1824 he ran ran for president. Sadly he did not win. John Adams one. But in 1829 he ran for president again. He won! He served from 1829-1837
Grover Cleveland
James Madison was the President for whom Monroe served as Secretary of State. (He also served as Madison's Secretary of War for a year or so.)
He served as US President, 1923-1929He served as US President, 1923-1929He served as US President, 1923-1929He served as US President, 1923-1929He served as US President, 1923-1929He served as US President, 1923-1929