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.

WASHINGTON — Joe Biden on Monday wrapped up a more than 50-year political career, but promised that “we're not leaving the fight,” as he bid farewell to the presidency and flew to California to unwind with his family and ease back into private life.

WASHINGTON — President Trump revealed Tuesday night that former President Joe Biden left him an “inspirational” message before leaving the Oval Office for the last time. “It said ‘To number 47’ and it was a very nice one,” Trump told reporters during a question-and-answer session in the White House’s Roosevelt Room.

Every president since Ronald Reagan has left a note for his successor, and President Joe 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.

"Maybe we should all read it together," Trump told reporters upon finding Biden's letter. "Maybe I'll read it first and then make that determination."

"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.

Social media reactions poured in Wednesday night as President Biden delivered his final address to the nation after over 50 years on the national political stage.

Former President Joe Biden wished President Donald Trump "all the best for the next four years" in the letter he left in the Resolute desk in the Oval Office, Fox News reported Wednesday.

At the tail end of President Joe Biden’s time as president, his administration is celebrating the successful ceasefire and hostage deal between Israel and Hamas, which will hopefully bring a measure of peace to the region.

Trump left Biden a letter when his first term ended in 2020, despite skipping the inauguration. Biden never revealed the contents of the letter, but just said it was “very generous.”

After President Donald Trump found a letter from President Joe Biden upon his return to the Oval Office, we've now learned what the 46th President of the United States said to his successor.