The outgoing and incoming U.S. presidents had different messages for the Christmas holiday on Wednesday, with Democrat Joe Biden urging Americans to reflect and unite, while Republican Donald Trump offered a holiday greeting and then took aim at his political opponents.

The outgoing and incoming presidents shared messages with the country on Christmas morning as President Joe Biden is marking his final celebration as an occupant of the White House. President-elect Donald Trump shared a video montage of messages he sent out when he was president and several posts referencing goals for his next administration.

Fox News senior national correspondent joins 'Special Report wit Bret Baier' to discuss the Trump's recent Truth social posts outlining plans for his administration.

The president-elect railed against political foes and world leaders in a scathing holiday tirade on Truth Social.

The soon-to-be 47th president of the United States wished almost everyone a Merry Christmas on Wednesday, even the “Radical Left Lunatics” and the “wonderful soldiers of China.” Presidents and politicians have delivered holiday well wishes for decades — former President Calvin Coolidge issued the first official greeting in 1927 — but President-elect Donald Trump’s unique holiday greeting style

The Republican’s messages were in stark contrast to US President Joe Biden’s post emphasising ‘kindness and compassion’.

Donald Trump took to Truth Social on Christmas Day with a series of posts, starting with a simple festive message: "MERRY CHRISTMAS TO ALL!" However, his holiday cheer quickly turned into a flurry of activity,

President-elect Donald Trump won't be sworn into to the White House until Jan. 20, but he had an important message to share with the rest of the world on Christmas Day. Trump, 78, shared a video of him and Melania talking about the true meaning of Christmas.