Section: American History: Recent & Other★ 65/20
115. What major event happened on September 11, 2001 in the United States?
Official answer
- • Terrorists attacked the United States
- • Terrorists took over two planes and crashed them into the World Trade Center in New York City
- • Terrorists took over a plane and crashed into the Pentagon in Arlington, Virginia
- • Terrorists took over a plane originally aimed at Washington, D.C., and crashed in a field in Pennsylvania
Why
On September 11, 2001, terrorists attacked the United States, including the World Trade Center and the Pentagon.
Answers verified against USCIS materials. Last checked 2026-07-17.
Official source: USCIS — 128 Civics Questions and Answers (2025)