How many people died in the attack of 911?

2,996  (2,977 victims + 19 hijackers) {more details are shown below}

Explanation:

The September 11 attacks (also referred to as 9/11) were a series of four coordinated terrorist attacks by the Islamic terrorist group al-Qaeda against the United States on the morning of Tuesday, September 11, 2001.

This number includes the 2,977 victims and the 19 hijackers who caused the attacks. Of these 2,996 people, 246 people died on the airliners that flew into the World Trade Center, Pentagon and the field in Pennsylvania.

Why should we remember 9 11?

9/11: Remembrance and Memorials. September 11th is now known as "Patriot Day” in the United States and is observed as the National Day of Service and Remembrance of the victims of the 9/11 attacks. Across the country, numerous events are held on this day to honor the loss of thousands of lives.

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firecatuwu

answer; i believe the answer is (mesopotamia); modern day