Independent study site. Not a U.S. government website. Learn more

Question 115 of 128 American History ★ 65/20 question

What major event happened on September 11, 2001 in the United States?

Answers USCIS accepts

  • 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

Give any one of these answers at your interview.

On September 11, 2001, terrorists attacked the United States.

What it means

Terrorists hijacked four planes. Two crashed into the World Trade Center in New York City, one into the Pentagon in Arlington, Virginia, and one, aimed at Washington, D.C., crashed in a field in Pennsylvania. Nearly 3,000 people died.

“Terrorists attacked the United States” is the simplest answer. This is a 65/20 question.

Memory tip: 9/11 = terrorist attacks on the United States.

Quiz yourself

What major event happened on September 11, 2001 in the United States?

Multiple choice is for study only. The real civics test is spoken: the officer asks, you answer out loud.

Study offline with the ReadyPass app

Readiness score, smart review and spoken interview practice. Coming soon to Google Play.

Official source: USCIS M-1778 (09/25), 128 Civics Questions and Answers (2025 version). Last checked: .