There are so many traditions on Inauguration Day, but only one is required by law, and that is saying the Oath of Office.

Legally speaking, it doesn't matter whether the U.S. president placed his hand on a bible. And he wouldn't be the first not ...

Chief Justice John Roberts will administer the constitutionally mandated 35-word oath to President-elect Donald Trump.

Five of the Oath Keepers who had sentences commuted by the president -- including Rhodes, who was facing 18 years in prison for seditious conspiracy -- were military veterans.

Trump will recite the oath of office just after 12 p.m., marking the start of his second administration. Here's what to know about the oath of office and how the swearing-in ceremony will work ...

Presidents can choose another book, for example, John Quincy Adams swore the Oath of Office with his hand on a law book. When Donald Trump took the Oath of Office for the second time to become the ...