9/11 happened on September 11, 2001. there were attacks in New York City and in Washington D.C. and a field in Pennsylvania. there were nineteen terrorists and they flew two of them into the north and south tower. Nearly 3,000 people died in this event. American Airlines Flight 77 crashed into the western side of the Pentagon. Al Qaeda was responsible for this tragic time in our history. Some people had thought that the "Arabs" were responsible for 9/11. It improved airline security and reduce the amount of things you can take on a plane. Also got people to love their country that much better.
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