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September 11 Attacks

History >> US History 1900 to Present

Go here to watch a video about the September 11 Attacks.

Twin Towers on fire with Statue of Liberty in foreground
The Twin Towers During the Attack
Source: National Park Service
On September 11, 2001 the United States was attacked by an Islamic terrorist group called al-Qaeda. They hijacked four passenger planes and used them as weapons to crash into buildings. Two of the planes crashed into the Twin Towers in New York City while another plane hit the Pentagon. The fourth plane crashed in Shanksville, Pennsylvania after the passengers attempted to retake control of the plane.

The Attacks

It was early in the morning on September 11 when the hijackers took control of the four airplanes. At the time, no one dreamed of their intentions. Here is what happened to each flight in the order that they crashed: When the first plane hit the North Tower, many people thought it was some sort of horrible accident. When the second plane hit, we knew we were under attack.

The Twin Towers Collapse

The airplane fuel on board the passenger planes caused an intense fire and extreme heat in the Twin Towers. Eventually, the structural integrity of both buildings gave way and the towers collapsed. The South Tower collapsed first followed by the North Tower around a 1/2 hour later. Several other buildings and skyscrapers around the Twin Towers collapsed as well.

How many people died?

The death toll from the attacks was devastating. All 246 passengers and crew on the four airplanes died along with 2,606 people at the World Trade Center and 125 at the Pentagon. In total, 2,996 people were killed during the attacks, including 2977 victims and 19 terrorists.

Memorial pool
September 11 National Memorial
Photo by Ducksters
9/11 Heroes

There are many stories of heroes on the ground and in the air during the attacks. The firefighters and police of New York City worked diligently to save thousands of people before the buildings collapsed. Many of them gave their lives including 343 firefighters, 72 police, and 55 military personnel. The passengers aboard Flight 93 also fought back to gain control of the plane. They knew they were probably going to die, but they didn't let the plane crash into a building where more would die. We will never know just how many lives their bravery saved.

Who were the attackers?

There were 19 terrorists involved in the hijackings. They were members of the Islamic terrorist group al-Qaeda led by Osama bin Laden.


The effects from the attacks were felt for many years. The U.S. economy struggled as the stock market crashed. Things were even worse in New York City which had to deal with the dust, debris, and destruction of so many buildings. Many had to deal with the death of friends and loved-ones and the loss of jobs and businesses.

The United States government, led by President George W. Bush, retaliated with a "War on Terror." The U.S. attacked the Taliban in Afghanistan and searched out leaders and members of al-Qaeda. Osama bin Laden was able to hide out in mountain caves for many years before he was finally hunted down and killed in 2011.

One World Trade Center from ground level
One World Trade Center Building
Photo by Ducksters

There are memorials to the victims at each of the three locations of the attacks. There is the National September 11 Memorial and Museum at the World Trade Center in New York City, the Pentagon Memorial in Virginia, and the Flight 93 National Memorial in Pennsylvania.

Interesting Facts About the September 11 Attacks Activities

Go here to watch a video about the September 11 Attacks.

Works Cited

History >> US History 1900 to Present

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