Which president had the longest inaugural address? Which has been sworn in the most? Which ended the ceremony’s top-hat tradition? Here are some tidbits you might not know about Inauguration Day.

President William Henry Harrison delivered his inaugural address on a bitterly cold day in March 1841. He refused to wear a coat and traveled to and from the inauguration on open horseback. His address is also the longest in U.S. history, with Harrison speaking for more than two hours.

Presidential inaugurations show the world America’s orderly, peaceful transfer of power, which is the hallmark of America’s system of government.

President-elect Donald Trump is being sworn in on Monday as his inauguration ceremony is set to take rare form inside the U.S. Capitol.

The true test of leadership is not in the position, but in the impact you have on others.” — John Quincy Adams Related: Abraham Lincoln's Most Memorable Quotes 26. “America is a tune. It must be sung together.

The image captured crowds of onlookers standing outside the East Portico of the U.S. Capitol—which was still under construction at the time. The foreground area was actually a stone yard that had been covered with boards and used as a platform for spectators.

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.

As Trump's new term in office begins, here is what else to expect at the 60th presidential ... the United States would enter the World War II, included another memorable line: “The only thing we have to fear is fear itself.” In 1961 John F. Kennedy ...

As Donald Trump takes the oath of office, John Barrasso continues his lifelong tradition of honoring the peaceful transfer of power.

(AP Photo/Julia Demaree Nikhinson, Pool) Donald Trump is sworn in as the 47th president of the United States by Chief Justice John Roberts as Melania Trump holds the Bible during the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol in ...

(Chip Somodevilla/Pool Photo via AP) Donald Trump is sworn in as the 47th president of the United States by Chief Justice John Roberts as Melania Trump holds the Bible during the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol in ...

Donald Trump will be only the second U.S. president after Grover Cleveland to serve two nonconsecutive terms after he takes the oath of office Monday.