This Inauguration Day, President Joe Biden and first lady Jill Biden will wake up in a White House filled with their belongings and personal mementos -- everything from personal photographs to their favorite foods in the kitchen.

Donald and Melania Trump arrive at the White House ahead of the inauguration ceremony on Monday in Washington, D.C. (Andrew Harnik/Getty Images) Donald Trump was sworn in as the 47th president of the United States by Chief Justice John Roberts in an inauguration ceremony inside the Capitol Rotunda on Monday.

A historic transition of power unlike any since the 19th century unfolded throughout Monday, Jan. 20, as President Donald Trump was sworn in for a rare nonconsecutive White House term. PEOPLE followed

While Inauguration Day marks the transfer of power from one president to another, it also marks another major change at the White House: one first family moving out and another moving in. This final piece of the transition happens behind closed doors,

While everyone's focused on the transfer of power, a small army is working behind the scenes to ensure the White House is ready for the next president.