Polk was the 11th President. Crowds flocked to the ... election by one electoral point and was named the 19th President of the United States by a 15-member congressionally-appointed commission.

Donald Trump took the presidential oath of office for the second time Monday during an inauguration ceremony inside the U.S.

The presidential oath of office is specifically set forth in the U.S. Constitution: "I do solemnly swear (or affirm) that I will faithfully execute the Office of President of the United States, and ...

Donald Trump has taken the oath of office, and is officially the 47th president of the United States of America. Chief ...