8:46 a.m. on 9/11: America Is Under Attack, North Tower of WTC Hit

8:46 a.m. The North Tower of the World Trade Center was hit by American Airlines Flight 11 after pilots and crew members were overpowered by terrorists.

On September 11, 2001, the worst attack ever on American soil began, a day that would continue to see terrorists strike our nation three more times as the morning unfolded (timeline).