UNITED STATES (Tuesday, September 11th, 2001) — The September 11 attacks, often referred to as 9-11, were a series of four coordinated terrorist attacks by the militant Islamist terrorist group Al-Qaeda against the United States of America on the morning of Tuesday, September 11, 2001.
Osama bin Laden orchestrated the September 11 attacks.
September 11th (9-11) is not a holiday, but has been designated as Patriot Day.
If you were alive on 9/11/2001, are you old enough to remember where you were on that fateful Tuesday 23 years ago when nearly 3,000 people died as a result of the attacks on the United States of America
View of Ground Zero
Photo taken September 11, 2008 in Hoboken, New Jersey by Eddie Toro
Much more information can be found at Wikipedia