President Donald Trump held a massive “Make America Great Again” rally on Monday night at an airport hangar in Montoursville, Pennsylvania, reminding all those in attendance that former Vice President Joe Biden — whom he calls “Sleepy Joe” — deserted them years ago and that Biden, a native of the state, would help all other countries with his Democrat policies, but not the United States.

Biden is currently the frontrunner among the two dozen or so Democrats jockeying for the 2020 nomination.

“Sleepy Joe says he’s running to save the world,” said Trump on Monday night. “He’s going to save every country but ours.”

“I’ll be seeing a lot of you over the next year. I’ll be here a lot,” Trump also told the audience of thousands. “Got to win this state. We’ve got to win this state. We did great last time.”

Trump narrowly carried Pennsylvania in 2016, but his campaign’s recent polling indicates the president is trailing right now behind Biden in Pennsylvania, Politico reported.

Biden, who is 76, is a Pennsylvania native — he was born in the blue-collar city of Scranton in 1942.

But his family left the state in 1955, when Biden was a young teenager, and moved to Delaware.

Related: Biden Tries to Take Credit for Trump’s Economic Accomplishments

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Biden represented Delaware as a U.S. senator; he was first elected to the Senate in 1972 at age 29.

“Together we are the proud people of Pennsylvania, great state, a beautiful state, a tough state — the people are tough and they’re strong and they’re smart,” Trump said on Monday night. “I know them well. I know them well. And don’t forget Biden deserted you.”

“He’s not from Pennsylvania. I guess he was born here but left you, folks. He left you for another state. Remember that, please. I meant to say that. This guy talks about, ‘I know Scranton.’ Well, I know this place better.”

“He left you for another state and he didn’t take care of you because he didn’t take care of your jobs. He let other countries come in and rip off America. That doesn’t happen anymore.”

Trump recently visited both Wisconsin and Michigan as well. On Monday night he emphasized his border security policies, including the building of the border wall.

You can watch the entire Monday night rally here: