The oldest person in the US is 114. McKinley was the President when she was born in 1897 so he and every president since would appear in her answer to this question. My list starts with FDR. Your list is probably shorter.
Bill Clinton and George Bush (unfortunatly)
during the civil war
Yes. There are many documented instances of Presidents' swearing while in office.
No presidents have actually been removed from office, and impeachment papers were only ever brought against two presidents - Andrew Jackson and Bill Clinton.
2001
43
No US presidents have been impeached and convicted and so removed from office.
Although 15 past U.S. Presidents have been Freemasons, this is not a requirement of office.
No U.S. President has ever been removed from office.
Some presidents have held 2 terms of office.
6 mouths
No U.S. President has ever been removed from office.