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.

Before he leaves office for the final time, President Joe Biden plans to pen President-elect Donald Trump a letter, CNN is told.

The new president was prompted to search for the letter as he casually took questions from reporters in the Oval Office.

The president will deliver his final remarks from the Oval Office. In the past, President Barack Obama went to his home in Chicago for his farewell speech. George W. Bush spoke from the East Room. Bill Clinton spoke from the Oval Office. Donald Trump delivered a pre-taped address that was made public Jan. 19, 2021.

Donald Trump discovered a letter from his predecessor, Joe Biden, in the desk at the Oval Office. He showed it to reporters. While signing executive orders in the Oval Office on Monday evening, Donald Trump found a letter that outgoing President Joe Biden had left for him in the desk.

After MSNBC's Lawrence O'Donnell's exclusive interview with Pres. Biden in the Oval Office during the final week of the Biden presidency, Biden took Lawrence around the room to share with him some of the personal items there and the stories behind them.

President Donald Trump found a letter from former President Biden in a drawer of the Resolute Desk in the Oval Office of the White House on Monday evening.