Dignitaries from across Washington and around the world crammed into the U.S. Capitol Rotunda on Monday to watch power transfer peacefully from Democratic former President Joe Biden to his Republican successor, Donald Trump.

President Donald Trump takes the oath of office during the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol. (Kevin Lamarque/Pool Photo via AP)
President Donald Trump, left, points to Supreme Court Chief Justice John Roberts after taking the oath of office. (Kenny Holston/The New York Times via AP, Pool)
President Trump kisses Melania Trump before the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol.  (Saul Loeb/Pool photo via AP)

Former President Barack Obama, former President Bill Clinton and former Secretary of State Hillary Clinton arrive. (AP Photo/Julia Demaree Nikhinson, Pool)
President Joe Biden and former Vice President Kamala Harris bow their heads for a benediction. (Saul Loeb/Pool photo via AP)
President Donald Trump greets outgoing President Joe Biden during the 60th Presidential Inauguration. (Chip Somodevilla/Pool Photo via AP)
From left, Lauren Sanchez, Jeff Bezos, Sundar Pichai and Elon Musk arrive before the 60th Presidential Inauguration. (Chip Somodevilla/Pool Photo via AP)

Donald Trump speaks with JD Vance, left, before taking their oaths of office. (AP Photo/Morry Gash, Pool)

Supporters of President Donald Trump cheer as he is sworn in as President while watching inauguration ceremonies on screens at the Capitol One Arena in Washington. (AP Photo/Mark Schiefelbein)
Elon Musk arrives to speak at an indoor Presidential Inauguration parade event in Washington. (AP Photo/Matt Rourke)
J.D. Vance takes the oath of office as Vice President during the 60th Presidential Inauguration in the Rotunda of the U.S. Capitol , as his wife, Usha Vance, looks on. (Saul Loeb/Pool photo via AP)