The September 11 attacks (often referred to as September 11th or 9/11) were a series of coordinated suicide attacks by Al-Qaeda upon the United States on September 11, 2001. On that morning, 19 Al-Qaeda terrorists hijacked four commercial passenger jet airliners.The hijackers intentionally crashed two of the airliners into the Twin Towers of the World Trade Center in New York City, killing everyone on board and many others working in the buildings. Both buildings collapsed within two hours, destroying nearby buildings and damaging others. The hijackers crashed a third airliner into the Pentagon in Arlington, Virginia, just outside of Washington, D.C. The fourth plane crashed into a field near Shanksville in rural Pennsylvania, after some of its passengers and flight crew attempted to retake control of the plane, which the hijackers had redirected toward Washington, D.C. There were no survivors from any of the flights.

In total 2,993 people, including the hijackers, died in the attacks.The overwhelming majority of casualties were civilians, including nationals of over 90 countries. In addition, the death of at least one person from lung disease was ruled by a medical examiner to be a result of exposure to dust from the World Trade Center's collapse. The United States responded to the attacks by launching a "War on Terrorism", invading Afghanistan to depose the Taliban, who had harbored al-Qaeda terrorists, and enacting the USA PATRIOT Act. Many other countries also strengthened their anti-terrorism legislation and expanded law enforcement powers. Some American stock exchanges stayed closed for the rest of the week following the attack, and posted enormous losses upon reopening, especially in the airline and insurance industries. The destruction of billions of dollars worth of office space caused serious damage to the economy of Lower Manhattan.

The damage to the Pentagon was cleared and repaired within a year, and the Pentagon Memorial was built on the site. The rebuilding process has started on the World Trade Center site. In 2006 a new office tower was completed on the site of 7 World Trade Center. The 1 World Trade Center is currently under construction at the site and at 1,776 ft (541 m) upon completion in 2011, will become one of the tallest buildings in North America. Three more towers were originally expected to be built between 2007 and 2012 on the site.

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On a personal note from me. September 11, 2001. A second day that will live in infamy. I remember the deaths of the 2,993, the horror and the unity of Americans (for a short period of time) with this video. Let us all remember the sacrifice of those that died that day and the period where we were all united as one. And let us never forget it! We may question who did it, for what purpose and if we did the right thing in the aftermath of it all. But the point is that they died, our soil was desecrated and we must return to be a unified nation. Let us quit using this event for our agendas and political purposes, expose the truth and build on the memory of that day to become better Americans, like we did after Pearl Harbor was attacked. May God Bless America and let us see and receive that Blessing!!!