The youngest president in U.S. history is Theodore "Teddy" Roosevelt. He was thrust into the nation's top post in 1909 at age 42 after President William McKinley was assassinated while visiting an ...

Meet the youngest mother in medical history - She was 5 years old After the assassination ofPresident William McKinley in 1901, Vice President Theodore Roosevelt became the youngest president in U ...

Among other astounding achievements, he remains the youngest man to become U.S. president, reaching the Oval Office at age 42. "Roosevelt’s youth differed sharply from that of the log cabin ...

When he entered the office at the age of 46, Clinton was the third youngest president ever – beaten out by Teddy Roosevelt (42) and John F. Kennedy (43). Meanwhile, Biden was the oldest ...

Then, Vice President Theodore Roosevelt succeeded him, becoming the youngest-ever U.S. president at age 42. Roosevelt took the oath of office that same day McKinley died at the Wilcox Mansion in ...

The youngest person to be a vice presidential candidate was John Breckinridge in 1856, who ultimately did win alongside James Buchanan. Other notable presidents, including Theodore Roosevelt and ...

John F. Kennedy was the youngest elected president to be inaugurated at 43 years 236 days, according to Potus.com. After the death of William McKinley, Theodore Roosevelt became the youngest ...

At the start of his presidency, Clinton was the third youngest president to take office at the age of 46. Theodore Roosevelt was the youngest at 42 years of age and John F. Kennedy was the second ...