Donald J. Trump will become the 45th president of the United States on Friday, in a celebration of American unity for a country that is anything but unified. After he is sworn in, Trump will parade down Pennsylvania Avenue and walk into the White House, where a letter from his predecessor will be waiting for him in the desk drawer of the Oval Office.
Donald Trump takes the oath of office in Washington, D.C., on Jan. 20, 2017.
Photographer: Andrew Harrer/Bloomberg
U.S. Vice President Joe Biden left, speaks with U.S. President Barack Obama during the 58th presidential inauguration in Washington, D.C., on Jan. 20, 2017.
Photographer: Daniel Acker/Bloomberg
President-elect Donald Trump outside the U.S. Capitol in Washington, D.C., on Jan. 20, 2017.
Photographer: Alex Wong/Getty Images
Hillary Clinton and former U.S. President Bill Clinton arrive on the West Front of the U.S. Capitol on Jan. 20, 2017 in Washington, D.C.
Photographer: Win McNamee/Getty Images
Barron Trump arrives on the West Front of the U.S. Capitol on Jan. 20, 2017 in Washington, D.C.
Photographer: Win McNamee/Getty Images
Former President Bill Clinton, former Democratic presidential nominee Hillary Clinton and former President George W. Bush stand on the West Front of the U.S. Capitol on Jan. 20, 2017 in Washington, D.C.
Photographer: Joe Raedle/Getty Images
President-elect Donald Trump and his wife Melania Trump are greeted by President Barack Obama and his wife first lady Michelle Obama, upon arriving at the White House in Washington, D.C., on Jan. 20, 2017.
Photographer: Mark Wilson/Getty Images
Steve Bannon, chief strategist for U.S. President-elect Donald Trump, arrives for the 58th presidential inauguration in Washington, D.C., on Jan. 20, 2017.
Photographer: Saul Loeb/Bloomberg
Former Speaker of the House Newt Gingrich, from left, his wife Callista Gingrich, former Speaker of the House John Boehner and his wife Deborah Boehner arrive for the presidential inauguration on Jan. 20, 2017.
Photographer: Win McNamee/Getty Images
A man wearing a sign reading "Really?" stands at the National Mall ahead of the 58th presidential inauguration in Washington, D.C., on Jan. 20, 2017.
Photographer: Pete Marovich/Bloomberg
Attendees wear U.S. President-elect Donald Trump flags walk at the National Mall ahead of the 58th presidential inauguration in Washington, D.C., on Jan. 20, 2017.
Photographer: Pete Marovich/Bloomberg
President-elect Donald J. Trump and wife Melania Trump arrive for the inaugural concert at the Lincoln Memorial in Washington, D.C., on Jan. 19, 2017.
Photographer: Pool/Getty Images
People attend the "Make America Great Again" Welcome Celebration concert at the Lincoln Memorial in Washington, D.C., on Thursday, Jan. 19, 2017.
Photographer: Eric Thayer/Bloomberg
Visitors walk through the National Mall in Washington, D.C., on Thursday, Jan. 19, 2017.
Photographer: Andrew Harrer/Bloomberg
"The President's Own" United States Marine Band rehearses ahead of the presidential inauguration in Washington on Thursday, Jan. 19, 2017.
Photographer: Andrew Harrer/Bloomberg
A vendor sells U.S. President-elect Donald Trump flags while standing in front of Trump International Hotel in Washington on Thursday, Jan. 19, 2017.
Photographer: David Paul Morris/Bloomberg
Visitors wait for the departure of President-elect Donald Trump, not pictured, outside of Trump International Hotel in Washington, D.C., on Thursday, Jan. 19, 2017.
Photographer: David Paul Morris/Bloomberg
People wait for the arrival of President-elect Donald Trump, not pictured, outside of Trump International Hotel in Washington, D.C., on Thursday, Jan. 19, 2017.
Photographer: Chris Kleponis/Bloomberg
Empty chairs sit ahead of the 58th presidential inauguration in Washington, D.C., on Friday, Jan. 20, 2017.
Photographer: Andrew Harrer/Bloomberg
Donald Trump supporters drive through downtown in Washington, D.C., on Jan. 19, 2017.
Photographer: Spencer Platt/Getty Images
U.S. President-elect Donald Trump and his wife Melania arrive at Joint Base Andrews outside Washington, D.C., on Thursday, Jan. 19, 2017.
Photographer: Chris Kleponis/Bloomberg
Fireworks explode following an inauguration celebration for President-elect Donald Trump at the Lincoln Memorial in Washington, D.C., on Jan. 19, 2017.
Photographer: Scott Olson/Getty Images
Workers prepare the stage in front of the Lincoln Memorial to be used in the presidential inauguration festivities in Washington, D.C., on Jan. 13, 2017.
