He was 42 years old when he became president.
Theodore Roosevelt
Benjamin Harrison was 55 years old when he became the 23rd President of the United States.
Lyndon B. Jonson died at the age of 64 years old.
JFK's vice president, Lyndon B. Johnson became president.
After Richard Nixon resigned, his vice-President, Gerald Ford, became President.
After TR died, Taft became president. After FDR died, Truman became president.
Theodore Roosevelt was a Republican. He was 42 when McKinley was assassinated and TR became President.
The age he was when he became a president is 48
James Monroe was 59 years old when he became president.
25 when he became a lawyer, 57 when he became president
He is 52 yrs. old when he became 3rd President of the Philippines.
Johnson was 55 years, 2 months and 26 days old when he first became US President.
When Theodore Roosevelt became president he was only 42 years old he was the youngest president so far.56
John Adams was the second president of the United States. He was born October 30, 1735 and was 61 years old when he became president.
actually he became president in 1901-1909 by the assaination of McKinley.
He was 58 when he became president.
Taft became President when he was 52 years old.