Trump took the oath of office on Monday immediately after Vice President JD Vance was sworn in by Associate Supreme Court Justice Brett Kavanaugh. As Vance took the oath of office, he placed his right hand on a Bible that was held by his wife, Usha Vance, as she also held one of their three children.

Presidential inaugurations hold a symbolic place in U.S. history, with the choice of Bible often reflecting personal or national significance.

Despite social media attention, the Constitution protects freedom of religion. So putting a hand on a Bible, or even using one at all, isn't required.

Although presidents and other government officials have historically sworn the oath on a Bible, the Constitution doesn’t require it.

As millions watched President Donald Trump’s inauguration at the White House on Monday, Jan. 20, many noticed that he did not place his left hand on a Bible while being sworn in. Now people are questioning that gesture,