Here are some other interesting facts about US Presidents. George Washington was the only President unanimously elected by the Electoral College. Theodore Roosevelt was the first president to leave the country during his term in office. In 1906, he visited Panama to inspect the progress of the Panama Canal. Teddy Roosevelt was 42 years old when he took office as President of the United States. He became following the assassination of President William McKinley. He is the youngest person ever to hold the office of President. John F. Kennedy was the youngest person ever to be ELECTED President, at the age of 43. Franklin D. Roosevelt was the longest-serving President, serving for over 12 years. He was elected to four terms but died early in his fourth term in 1945. Jimmy Carter was the first president to be born in a hospital. #DentalHealthSpringville #CosmeticDentistrySpringville#bestdentistnearme #bestspringvilledentist #bestutahvalleydentist