Former New York City Mayor Rudy Giuliani on Monday said terrorists failed to successfully strike the United States in the eight years before President Obama and former secretary of State Hillary Clinton Hillary Diane Rodham ClintonBiden leads Trump by 36 points nationally among Latinos: poll Democratic super PAC to hit Trump in battleground states over coronavirus deaths Battle lines drawn on precedent in Supreme Court fight MORE took office.

"Under those eight years, before Obama came along, we didn't have any successful radical Islamic terrorist attack in the United States," Giuliani said Monday ahead of a speech by Republican presidential nominee Donald Trump Donald John TrumpBiden leads Trump by 36 points nationally among Latinos: poll Trump dismisses climate change role in fires, says Newsom needs to manage forest better Jimmy Kimmel hits Trump for rallies while hosting Emmy Awards MORE on foreign policy.

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"They all started when Clinton and Obama got into office."

Giuliani was the mayor of New York City during the Sept. 11, 2001, terrorist attacks. In making the remarks about terrorism, he was commending Trump's running mate, Indiana Gov. Mike Pence Michael (Mike) Richard PenceMcConnell locks down key GOP votes in Supreme Court fight Momentum growing among Republicans for Supreme Court vote before Election Day Sunday shows preview: Justice Ginsburg dies, sparking partisan battle over vacancy before election MORE, for his work in Congress after 9/11.

"He's a member of the Foreign Affairs and Judiciary committees, and during the time of Sept. 11, when we went through the worst foreign attack in our history, since the War of 1812," Giuliani said.

"Remember, we didn't start this war. They did. We don't want this war. They do. And they didn't start it even in 2001. They attacked the World Trade Center in 1993 and they attacked it under the ideology of radical Islamic extremism to create a caliphate. ... Mike Pence understands this."