Multiple choice general knowledge

How many airliners were hijacked on September 11, 2001?

  1. two

  2. three

  3. four

  4. five
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Four commercial airliners were hijacked on September 11, 2001: American Airlines Flight 11, United Airlines Flight 175, American Airlines Flight 77, and United Airlines Flight 93. Two hit the WTC towers, one hit the Pentagon, and one crashed in Pennsylvania.

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