Every president since Ronald Reagan has left a note for his successor, and President Biden could be the first to write a letter to someone who is both his successor and the predecessor who left a note for him.

President Biden wrote President-elect Donald Trump a letter as he departed the White House, keeping to tradition. As Biden awaited Trump’s arrival at the White House, he was asked if he wrote a letter to Trump.

Out with Andrew Jackson, in with Ben Franklin. Biden has already made a physical mark on the Oval by switching out the office's busts and paintings. Says @BeschlossDC, “we’re living in a new age, and the oval office shows it.” #velshi pic.twitter.com/xwm1r2GZRZ

Every president since Ronald Reagan has left a note for his successor, and President Biden is the first to write a letter to someone who is both his successor and the predecessor who left a note for him.

DONALD Trump will soon be sworn in as president at a historic indoor ceremony. Political elites, celebrities and influential billionaires have packed out the Capitol Rotunda room to watch Trump

"Join me tonight as I reflect on our progress and deliver my farewell address to the nation," President Joe Biden's X account posted, in part, on Wednesday.

President Biden left the White House for the last time as commander-in-chief Monday morning alongside his successor (and predecessor), President-elect Trump. Why it matters: The historic moment likely marks the end of Biden's storied political career.