Remembering 9/11: Nine Facts About the Attacks That Forever Changed America

Photo Credit: Michael M. Santiago / Getty Images
Photo Credit: Michael M. Santiago / Getty Images

September 11, 2001, is a day that, for many, still holds a vivid image of death, destruction and disaster. The World Trade Center (WTC) has been rebuilt, the field in Pennsylvania has grown back, and the Pentagon has been reconstructed, but what occurred has left a lasting effect on people around the world.

The following are nine facts about what took place on 9/11.

Ground Zero

Rubble and steel piled on the ground, shrouded in smoke
Ground Zero, 2001. (Photo Credit: Jim Watson / U.S. Navy / Getty Images)

You’ve likely seen the image of firefighters raising the American flag at Ground Zero just mere hours after the attack. Today, we commonly refer to the World Trade Center‘s location as “Ground Zero,” but it’s not the first site to carry this designation.

Ground Zero was initially used to describe the locations of atomic bomb detonations, namely the Trinity Test site in New Mexico, Hiroshima and Nagasaki.

Three separate locations were attacked on 9/11

Aerial view of the site where United Airlines Flight 93 crashed
Crash site of United Airlines Flight 93, 2001. (Photo Credit: U.S. Government / Wikimedia Commons / Public Domain)

New York City, New York, is what comes to mind when you think of 9/11. This is likely due to the media coverage it received. That being said, there were two other locations that were impacted that day: the Pentagon and a field in Pennsylvania.

United Airlines Flight 93 crashed into a field in Somerset County, Pennsylvania. The hijackers originally intended to crash the airliner into either the White House or the Capitol, but the passengers, having learned of the hijackings in New York, were not about to let that happen – they tried to overtake the aircraft, which led to the aforementioned crash.

The Pentagon was hit at 9:37 AM and suffered severe damage, collapsing in some spots; it took the airliner under a second to penetrate through the building’s rings (about 310 feet in length). The crash sent a fireball into the sky.

An engine from one of the aircrafts survived

United Airlines Flight 175 engine parts on display
Engine parts from United Airlines Flight 175. (Photo Credit: Ctac / Wikimedia Commons CC BY-SA 3.0)

Airliners crashed into the Twin Towers. Somehow, between the initial strike, the fires and the eventual collapse of the buildings, an engine from one of them managed to survive. It’s believed to be from United Airlines Flight 175, and it was found blocks from Ground Zero.

$100 million in art was destroyed on 9/11

'The Sphere' standing among rubble from the World Trade Center (WTC)
The Sphere by Fritz Koenig at Ground Zero, 2001. (Photo Credit: Michael Rieger / FEMA Photo Library / NARA / Wikimedia Commons / Public Domain)

One thing most people don’t think about when considering the losses incurred on 9/11 is art. Around $110 million in art was destroyed during the attacks, with pieces from the likes of Pablo Picasso and Roy Lichtenstein being lost.

Cantor Fitzgerald

Aerial view of the World Trade Center (WTC)
1 World Trade Center, where Cantor Fitzgerald was headquartered, 2001. (Photo Credit: Jeffmock / Wikimedia Commons / Public Domain)

Financial firm Cantor Fitzgerald, LP lost over two-thirds of its workforce on 9/11. The business’ corporate headquarters were on floors 101-105 of the World Trade Center. It suffered the largest loss of employees on that day, far exceeding any other business, government office or enterprise; none of the Cantor Fitzgerald workers who were in the tower that day survived.

In total, 658 employees of the firm died. The company only employed 960 total at the time.

Three buildings fell on 9/11

Bulldozer parked in front of the remains of 7 World Trade Center
Remains of 7 World Trade Center, 2001. (Photo Credit: rds323 / Wikimedia Commons CC0 1.0)

Three buildings actually fell in New York City on 9/11. Obviously, the Twin Towers are the main ones, but 7 World Trade Center, a smaller tower, also collapsed that day.

The building suffered heavy damage when the Twin Towers fell and caught fire. Around 5:20 PM on September 11, 2001, 7 World Trade Center collapsed. Thankfully, the building had been evacuated earlier that day, which meant there were no casualties from the incident.

A horrific death toll

Roses placed on a plaque at the  September 11 Memorial and Museum
September 11 Memorial and Museum, 2024. (Photo Credit: Spencer Platt / Getty Images)

It’s reported that 2,996 people died in the attacks on September 11, 2001: 2,977 victims, as well as 19 hijackers. There were more than 6,000 injuries reported, as well.

Below are the death tolls from each location:

  • World Trade Center: 2,606 victims.
  • American Airlines Flight 11: 87 victims, five hijackers.
  • United Airlines Flight 175: 60 victims, five hijackers.
  • Pentagon: 125 victims (civilian, military and government personnel).
  • American Airlines Flight 77: 59 victims, five hijackers.
  • United Airlines Flight 93: 40 victims, four hijackers.

Economic impact of 9/11

Firefighters standing together in uniform
Firefighters following the attacks on September 11, 2001. (Photo Credit: Matt Moyer / CORBIS / Getty Images)

It’s believed planning the attack cost the hijackers over $500,000 to plan and coordinate the attack. In the United States, it cost more than $750 million to clean up Ground Zero, and there was more than $9.3 billion in insurance claims.

On top of this, about $60 billion in damages was suffered by the World Trade Center and New York City’s subway system, and over $120 billion was estimated to have been lost in the airline industry and tourism sector.

Where did the steel from the World Trade Center go?

USS New York (LPD-21) at sea
USS New York (LPD-21), 2009. (Photo Credit: Bob Kopprasch / Wikimedia Commons / Public Domain)

In total, there was 185,101 tons of steel at the site of the World Trade Center. A majority of this was actually sold following the cleanup of the site. China and India were major buyers, with Chinese company Baowu purchasing more than 50,000 tons.

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Any unsold steel was later be used to erect memorials across the United States, with some being included in the construction of the USS New York (LPD-21).

Lincoln Riddle

Lincoln Riddle is one of the authors writing for WAR HISTORY ONLINE