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HomeAll 128 questionsQuestion 115

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

Answer. Any of these is accepted.
Terrorists attacked the United States
  • Also accepted
  • 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

Source: U.S. Citizenship and Immigration Services, 2025 civics test. Last reviewed September 5, 2026.

This is question 115 of 128 on the 2025 USCIS civics test, in the section Recent history. It is one of the 20 questions on the 65/20 version.

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From World War I to September 11, 2001: why the United States entered each war, the Great Depression, the Cold War, the civil rights movement, and American Indian tribes and innovations. This is the second-largest section, so a few of these will almost certainly come up.

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