Do you remember September 11, 2001 Attack on the World Trade Center? On 11th September 2001 in New York City USA, two passenger jet airplanes were flown in to two skyscrapers of the World Trade Centre known as the Twin Towers. There has been much debate over how it happened, who is responsible, and why they did it. This terrorist attack on the United States was orchestrated by Al Qaeda leader Osama bin Laden. Here we listed 11 Upsetting truths about September 11 Terrorist Attack.

1. The number of children who lost a parent in the events of 9/11 was 3,051.

2. Only 291 dead bodies were recovered “intact” from Ground Zero. Number of body parts collected were 19,500.

3. Cases of post-traumatic stress are common among 9/11 survivors and rescue workers. Respiratory problems, like asthma and lung inflammation, also developed at abnormal rates for those in and around the World Trade Center during and after the attacks.

4. Roselle, A guide dog helped her blind master (Michael Hingson) escape as Tower 2 collapsed.

5. The total value of art lost when the Twin Towers collapsed exceeded $100 million including Alexander Calder’s sculpture WTC Stabile, Joan Miró’s epic World Trade Center Tapestry, a painting from Roy Lichtenstein’s Entablature series, and others by Picasso and David Hockney.

6. Three hours before the attacks, a machine called a Random Event Generator at Princeton University predicted a cataclysmic event was about to unfold.

7. Firefighters took 100 days to extinguish fires ignited by the attacks.

8. After the September 11th attacks on the World Trade Center, the rescue and recovery clean-up of the 1.8 million tons of wreckage from the WTC site took 9 months.

9. Five of the 9/11 hijackers stayed in a motel right outside the gates of the American spy organisation, the National Security Agency, in the days immediately before the attacks.

10. The emergency number of America- 911 is the way Americans write the date September 11.

11. Alcohol consumption in Manhattan in the week after 9/11 increased by 25 per cent compared to the same period the year before.

12. John Patrick O’Neill, a special agent in charge at the FBI, who had investigated al-Qaeda and the first attack on the World Trade Center in 1993, died on 9/11.

13. Osama Bin Laden who was responsible for the attacks, was killed in a covert operation in Pakistan.

14. Out of 4 planes which were hijacked, 2 crashed into the world trade centre. 3rd into the Pentagon – the headquarters of US department of defense and 4th one crash into a field in Pennsylvania.

15. September 11 is now remembered as ‘Patriotic day’ in the memory of those who lost their lives.