Earlier this month, during his final push to help Donald Trump return to the White House, Elon Musk incorporated a mysterious entity called "United States of America Inc.," Forbes first revealed.

I want to thank the American people for the extraordinary honour of being elected your 47th president and your 45th president ...

At stake in this election is the Constitution of the United States itself." "America must heed this warning ... must never again stand behind the seal of the president," Harris said.

Trump - who becomes the first convicted felon to hold office - said: "America has given us an unprecedented and powerful mandate".