Today, Jan. 20, at noon, Joe Biden will take the presidential oath of office. Unlike most of his predecessors, Donald Trump will not be in attendance at the inauguration ceremony.
This is not the first time an outgoing president has been absent from their successor’s inauguration. “Three presidents have declined to attend their successor’s inauguration. In 1801, John Adams left town at 4am the morning of President-elect Thomas Jefferson’s swearing in. In 1829 his son, John Quincy Adams, would one-up his famously obstinate father by departing the White House the night before Andrew Jackson took office. And in 1869, Andrew Johnson refused to attend Grant’s inauguration” (from https://listverse.com/2021/01/15/top-10-fun-facts-from-us-presidential-inaugurations/)