When did the twin towers come down?
They came down after being struck by airplanes on September 11, 2001
At 8:45 a.m. on September 11, 2001, terrorists crashed a Boeing 7 67 into the north tower of the World Trade Center. 18 minutes later another Boeing 7 67 was crashed into the south tower. The towers didn't collapse right away. The south collapsed just before 10:00. The north collapsed around 10:30.
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