With Trump's presidential inauguration just around the corner, review the history and meaning of Inauguration Day.

President-elect Donald Trump will once again become President Trump, the 47th president of the United States today. See the Inauguration Day schedule.

A transfer of power will take place on Inauguration Day when President-elect Donald Trump is sworn in for his second term in office and President Joe Biden's term ends. But what exactly happens on Inauguration Day?

President Calvin Coolidge's inauguration was the first to be broadcast live on the radio. A lot has changed since then.

Donald Trump took the presidential oath of office for the second time Monday during an inauguration ceremony inside the U.S. Capitol rotunda.

Donald Trump will be sworn in as president Monday, returning to power to enact his sweeping vision of America after leaving his office in shame four years ago.

Mandel NGAN / AFP via Getty The 60th presidential inauguration ceremony will take ... prayers and other speeches will be delivered in the United States Capitol Rotunda, rather than on the West ...

Donald Trump takes office for his second term as the 47th president of the United States. (Andrew Harnik/Getty) Former Vice President Mike Pence arrives before the 60th Presidential Inauguration ...

About 7,800 National Guard troops were on duty as part of a large interagency presence to ensure the peaceful transition of power during

When a president is re-elected, they must take the oath of office again, meaning there is another inauguration every four years on Jan. 20.

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

Presidential Inauguration will take place inside the Capitol Rotunda, marking the first time the Swearing In has happened indoors since Ronald Reagan’s ceremony in 1985.