What is clear is that after four contentious years, Biden leaves Washington as a remarkably consequential one-term president.

Ronald Reagan scribbled a note in 1989 to his successor above an elephant cartoon. The tradition, started perhaps inadvertently, was continued by Joe Biden.

Ronald Reagan started a tradition as he prepared to leave office after two terms as president: Write a note congratulating your successor and leave it in the Oval Office desk drawer.

US President Donald Trump has revealed what his predecessor Joe Biden said to him in a letter left in the Oval Office.

Eerie similarities between Joe Biden's hostage release deal and the deal made with Iran by former President Jimmy Carter do not go unnoticed.

The coalition collapse that doomed Biden follows a grim precedent set by another Democratic leader: Jimmy Carter.

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

Donald Trump shared details about a 'nice' and inspirational letter former President Joe Biden left for him at the White House Resolute Desk. The letter continues an inauguration tradition initiated by Ronald Reagan.

Democrats don't have a transformational leader to vanquish MAGA and risk being befuddled by President Trump's shock-and-awe campaign.

Read Biden’s farewell letter to Trump in full - Presidential tradition to leave letters for successors began with Ronald Reagan in 1989

After four years of a subdued term under President Joe Biden, 82, Trump has brought energy and unpredictability back to the Oval Office. The former reality TV star and businessman known for his branding, Trump, 78, jump-started his agenda with an eye for dramatics.