September 11 Terrorist Attacks |
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| 9-11-2001 Attack; September 11 Terrorist Attacks, 2001; World Trade Center Attack, 2001; 9 11 2001 Attack; 9-11-2001 Attacks; Attack, 9-11-2001; Attacks, 9-11-2001 | |
| Terrorism on September 11, 2001 against targets in New York, the Pentagon in Virginia, and an aborted attack that ended in Pennsylvania. | |