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The September 11 Attacks Trivia Questions

How much do you really know about The September 11 Attacks? Below are 8 true or false statements. Click each one to reveal the answer and explanation.

1.

The September 11 Attacks involved a hijacked plane crashing into the White House.

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Easy
✗ FALSE

No plane hit the White House. The Pentagon was struck by American Airlines Flight 77. United Airlines Flight 93 was headed toward Washington, D.C., but crashed in Pennsylvania after passengers fought back.

2.

The September 11 Attacks occurred on the same day as the 1993 World Trade Center bombing.

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Easy
✗ FALSE

The 1993 bombing happened on February 26, 1993, while the September 11 Attacks took place on September 11, 2001. They are separate incidents eight years apart.

3.

The September 11 Attacks killed over 3,000 people, including those on the ground and in the aircraft.

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Easy
✗ FALSE

The official death toll of the September 11 Attacks is 2,977 victims, excluding the 19 hijackers. This number is less than 3,000, so the claim is inaccurate.

4.

The September 11 Attacks killed every passenger and crew member aboard United Airlines Flight 93.

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Medium
✓ TRUE

All 33 passengers and 7 crew members aboard United Airlines Flight 93 died when the plane crashed in Pennsylvania. The four hijackers also died, but they are not counted as passengers or crew.

5.

The September 11 Attacks caused the U.S. stock markets to close for four trading days, the longest shutdown since the Great Depression.

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Medium
✓ TRUE

After the attacks, the NYSE, NASDAQ, and AMEX closed on September 11 and reopened on September 17, 2001. This four-day closure was unprecedented since the 1930s.

6.

The September 11 Attacks caused the destruction of the World Trade Center through a controlled demolition.

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Medium
✗ FALSE

Extensive investigations by NIST and other authorities concluded the towers collapsed due to impact damage and fires, not explosives. Controlled demolition is a conspiracy theory without credible evidence.

7.

The September 11 Attacks caused the South Tower of the World Trade Center to collapse 56 minutes after being struck.

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Medium
✓ TRUE

American Airlines Flight 175 hit the South Tower at 9:03 a.m. ET. The tower collapsed at 9:59 a.m. ET, 56 minutes later, due to structural failures from the impact and fires.

8.

The September 11 Attacks triggered the first activation of NATO's Article 5, the alliance's mutual defense clause.

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Hard
✓ TRUE

On September 12, 2001, NATO invoked Article 5 for the first time in its history, declaring the attack on the United States was an attack on all NATO members.

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