Last night, Donald Trump gave his first major speech since departing the White House as president back in January.

Speaking at the 2021 Conservative Political Action Conference in Florida on Sunday (February 28), the former president once again took the opportunity to baselessly claim false election fraud claims in the 2020 US presidential election.

"This election was rigged, and the Supreme Court and other courts didn’t want to do anything about it," Trump told those in attendance.

The 74-year-old also attacked the High Court, saying: "They should be ashamed of themselves for what they've done to our country. They didn't have the guts or the courage to make the right decision."

Watch Trump's full 90-minute address in the video below:

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Trump would then go on to tease yet another run for the Oval Office, telling the crowd: "With your help we will take back the House, we will win the Senate, and then a Republican president will make a triumphant return to the White House – and I wonder who that will be."

And upon calling for unity in the GOP, he once again backed up his hint by saying: "I may even decide to beat [the Democrats] for a third time."

The former president's presidential tease drew huge cheers from the applauding crowd, who broke into several chants during the 90-minute address.

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However, one chant, in particular, had people on Twitter concerned: "You won!"

Many social media users were left in disbelief at the idea that so many people still believe that Donald Trump won the 2020 Presidential election, despite the Associated Press reporting that there has been no substantial evidence that proves Trump's claims, and the fact that - y'know - Biden is now the President.

Viewers took to social media to share their bewilderment over the crowd's chants.

One person typed: "The people chanting 'you won, you won' at the CPAC aren't even worth engaging in conversation anymore."

[[twitterwidget||https://twitter.com/IDontThrow85/status/1366236809718616064]]

Another Twitter user wrote: "Alternate Reality where losing an election by 7 million votes is actually a win: "Trump said multiple times that he won the 2020 election & that it was 'stolen' from him. CPAC audience... seem to relish his false claims, at one point chanting, 'You won.'"

[[twitterwidget||https://twitter.com/Annie_Fox/status/1366220617645584388]]

A third concerned viewer wrote: "#CPAC is a spectacle. It’s a cult. The audience members chanting “You won! You won!” during #DonaldTrump’s laundry list of election grievances is deeply embarrassing for the GOP & America."

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Twitter user Coldton Brandau wrote: "Trump calls the election stolen and the crowd is chanting ‘You Won!’ Do they think if they chant it with enough conviction it’ll come true?"

[[twitterwidget||https://twitter.com/ColtonBrandau/status/1366163422031663105]]

And in response to the chants, Trump simply said: "We did."

[[twitterwidget||https://twitter.com/Jamin2g/status/1366160514871676934]]

But, once again, per CNN and other new outlets, President Joe Biden did, in fact, win the electoral college vote 306-232, and won the popular vote by a margin of roughly seven million.

Twitter left aghast at crowd chant during Donald Trump's CPAC speech