The oath of office of the president of the United States is the oath or affirmation that the president of the United States takes upon assuming office...

The oath of office of the vice president of the United States is the oath or affirmation that the vice president of the United States takes upon assuming...

this list of presidents of the United States by age, the first table charts the age of each president of the United States at the time of presidential...

officers of the eight uniformed services of the United States swear or affirm an oath of office upon commissioning. It differs from that of the oath of enlistment...

An oath of office is an oath or affirmation a person takes before assuming the duties of an office, usually a position in government or within a religious...

The president of the United States (POTUS) is the head of state and head of government of the United States of America. The president directs the executive...

The president-elect of the United States is the candidate who has presumptively won the United States presidential election and is awaiting inauguration...

Since the office was established in 1789, 45 persons have served as president of the United States. Of these, eight have died in office: four were assassinated...

The president of Mexico (Spanish: Presidente de México), officially the president of the United Mexican States (Spanish: Presidente de los Estados Unidos...

after the presidential election, the president-elect of the United States is inaugurated as president by taking the presidential oath of office. The inauguration...