President-elect Donald Trump was sworn-in as 47th President of the United States in an Inauguration Day ceremony. Watch live and follow updates on Trump's Day 1 actions, Joe Biden's pardons and high-profile attendees.

Inauguration Day is an American tradition in which the president-elect takes an oath to become the country's next leader and steps into the position immediately after. The day will kick off at 9:30 a.m. with musical performances, followed by opening remarks at 11:30 a.m.