25th anniversary: al-Qaeda hijacked four passenger airliners to carry out a series of terrorist...
History · Anniversaries · Fri, September 11, 2026
2001: al-Qaeda hijacked four passenger airliners to carry out a series of terrorist attacks (one pictured) against targets in New York City and the area of Washington, D.C., killing 2,977 people.
Also on Sep 11, 2026
| Date | Event | When |
|---|---|---|
| Fri, Sep 11, 2026 | 250th anniversary: British and American leaders held a peace conference on Staten Island, New... | 13 days ago |
Source, method and history
- Source
- Wikipedia
- How we know
- Wikipedia "On this day" selected anniversary, 25 years (2001 to 2026).
- Recurs
- annual
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- Changes
- None recorded.
Sources: official schedules and published calendars, linked on every event; computed dates name their rule. Refreshed nightly.