9/11 Museum CEO reflects on lasting impact of terror attacks as America marks 250th birthday

The 9/11 Memorial Museum marked the nation's 250th anniversary while commemorating the 25th anniversary of the September 11, 2001 attacks. The museum is located at the World Trade Center site in New York City, where nearly 3,000 people died in the attacks on September 11, 2001. The museum opened in 2014 and documents the attacks and their aftermath.

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