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.

Former President George W. Bush was spotted at the inauguration of Donald Trump. See pictures of the former president here.

Former President Joe Biden wished President Donald Trump and his family “all the best in the next four years,” Fox News reported.

The American people - and people around the world - look to this house for steadiness in the inevitable storms of history,’ Biden tells Trump

As President Joe Biden prepares to pass the baton to President-elect Donald Trump, it's unclear if he'll follow the tradition of leaving a note in the Oval Office.

US President Donald Trump has shared the contents of a letter that his predecessor Joe Biden left in his Oval Office desk this week. Mr Trump had to be reminded of the long-held tradition that departing presidents tend to leave letters to their successor when he returned to office on Monday.

The entire "Presidents Club" will be at a U.S. inauguration for the first time since President Obama's first inauguration in 2009.

Ronald Reagan began tradition of leaving letter to his successor in 1989 as he handed over power to George H.W. Bush

Biden was the first president to find himself in the unique position of writing a letter to someone who is both his successor and the predecessor who left him a note four years earlier.

A look at the history of presidential letters and whether President Biden will continue the tradition by writing a note for his predecessor-turned-successor, Donald Trump.

As Joseph Biden’s US presidency comes to an end, many on social media this week are saying that his legacy boils down to one thing: his active role in Israel’s fifteen-month war on Gaza, which has been widely defined as a "genocide" by human rights organisations, international bodies and scholars.

The Biden presidency will go down in history as a failure. It began with our catastrophic withdrawal from Afghanistan and ended with another catastrophe -- the LA wildfires.