Events that occur in 2001.
- September 11 – 9/11 attacks: Almost 3,000 people are killed in four suicide attacks at the World Trade Center in New York City; the Pentagon in Arlington, Virginia; and in rural Shanksville, Pennsylvania.
- Grand Theft Auto III is released on October 21-22.
- The highly disturbing Invader Zim premieres.
- The events of Grand Theft Auto III occur in October.