Republican presidential front-runner Donald TrumpDonald TrumpDC goes to the dogs — Major and Champ, that is Biden on refugee cap: 'We couldn't do two things at once' Taylor Greene defends 'America First' effort, pushes back on critics MORE on Monday mistakenly referred to the Sept. 11, 2001, terrorist attacks as “7-11.”

“I was down there, and I watched our police and our firemen, down on 7-11, down at the World Trade Center, right after it came down, and I saw the greatest people I’ve ever seen in action," he said during a rally Monday.

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"I saw the bravest people I’ve ever seen, including the construction workers, including every person down there,” he continued.

“That’s what New York values are about.”

Trump was campaigning in Buffalo ahead of the Empire State’s primary on Tuesday.