Why do US presidents swear the oath of office on a bible? Religious tests were not required, according to the Article six of the United States Constitution.
While taking the presidential oath of office was required by the Constitution, swearing it on the bible was just a tradition that the president George Washington began when he took his oath of office. Most of his successors kept the tradition.
Presidents can either say, “I do solemnly swear” or “I do solemnly affirm.”
John Quincy Adams, Franklin Pierce and Theodore Roosevelt did not use a bible to swear or affirm the oath upon.
After President McKinley was assassinated in 1901, Theodore Roosevelt didn’t use the Bible when being sworn in.
Adams placed his hand upon on a book of law rather than the Bible itself as he recited the oath.
Pierce affirmed the oath of office rather than swear it,
While nobody knew Roosevelt’s reasons, Adams’ motive was clearer.
Adams swore the oath on a book of law instead of a bible, because he had favored the separation of church and state and wanted to make it clear his loyalty was to the laws of our nation above all else, including the Bible.
Only Pierce affirmed his oath on a book of law, instead of swearing it on a bible, because his eleven-year old son was killed in a train accident almost two months prior to the inauguration and he viewed the death of his son as God’s punishment for his political ambitions.
In Dallas, there was no Bible in the Air Force One, so stewards found a Catholic missal belonging to the slain President Kennedy, and that’s how Lyndon Johnson was sworn in.
Some may argue that swearing on a bible binds the presidents to their oath. But some presidents who swore on the bible have broken their oath.
https://futurism.media/why-president...r-on-the-bible
https://en.wikipedia.org/wiki/Frankl...and_transition
https://en.wikipedia.org/wiki/Inaugu...n_Quincy_Adams