Most recent (and current) US President is Barrack Obama.
No US president took office in 1920. Warren Harding was elected in 1920 and took office in March of 1921.
Millard Fillmore was the last one. The last Whig to be elected as President was Zachary Taylor. Fillmore took office since he was vice-president when Taylor died.
James A. Garfield who was born in 1831 in Orange , Ohio was the last of the log cabin presidents. He was the 20th president and took office in 1881.
When a president resigns, the vice president typically takes office.
He was 65 when he took office as president.
The first US president took office in 1789.
James madison took office as president in 1809
Rutherford B. Hayes took office March 4, 1877. He removed the last of the troops in Louisiana and South Carolina AFTER he took office as President. The Compromise of 1877 called for this withdrawal and helped put Hayes into office without disputes of the election.
After taking office, President Johnson completely changed his views on Reconstruction, which stunned political backers.
The Korean War started when President Harry S. Truman was in office. President Dwight D. Eisenhower took office near the end of the conflict.
1943
The vice-president Calvin Coolidge, took office after Harding died.