Lyndon Johnson was sworn in office on Air Force One, but I do not know of any presidents sworn in out of the U.S.
The President is customarily sworn into office on the steps of the US Capitol building.
Philadelphia
the month when a president is sworn into the office is january!
Barack Obama was sworn in as the 44th US President.
During a normal inauguration, the President is sworn in on the steps of the Capitol in Washington, DC.
Lyndon B. Johnson was the only president sworn into office on an airplane.
The vice president is promptly sworn in as President if the President dies or resigns. This unfortunate event has already happened nine times in US history.
He promises to protect the US Constitution when he is sworn into office.
A national disaster does not change when the president-elect gets sworn in to office. However, it might change the location of where he is sworn in to office.
The assistant president will be sworn into office.
When a president gets sworn in and is in office. Inauguration is where they get the elected president in office.
If any US President were to die during their term of office, then the US Vice President would be sworn in as President.