Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE's campaign, in conjunction with the Republican National Committee, raised $18 million less than 24 hours after Monday night's presidential debate, the campaign announced Tuesday night.

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The GOP nominee's campaign aides attributed the major fundraising haul to the candidate's performance in the first debate of the general election.

“As a result of Donald Trump’s huge debate win last night, we had a massive fundraising day bringing in more than $18 million," Trump finance chairman Steven Mnuchin said in a statement.

"This is a movement to Make America Great Again. We are grateful for the support of millions of Americans across the country. With this kind of energy and generous support behind us, we are going to have President Donald J. Trump in the White House."

RNC Finance Chairman Lew Eisenberg called the National Call Day a "tremendous success."



"Many donors came on board as Donald J. Trump rolls on to victory," Eisenberg said in a statement.

Trump claimed on Tuesday that post-debate polls showed him winning Monday night's presidential debate.

On Tuesday morning, Trump said every poll showed him winning the debate except for one from the "little watched" CNN.

Later Tuesday, the GOP nominee said he was holding back during the debate as to not embarrass his Democratic rival, Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE. He also touted his performance during Monday night's event at a rally he held Tuesday night.