What major event happened on September 11, 2001, in the United States?

On September 11, 2001, terrorists attacked the United States. Terrorists captured four American passenger airplanes. They used the planes as weapons. Two planes hit the World Trade Center in New York City. One plane hit the Pentagon, a government building in Virginia. The last plane crashed in Pennsylvania. The attacks killed almost 3,000 people. After the terrorist attacks on September 11, 2001, the U.S. began the war on terrorism.

Words in bold are English words you may not know. You can learn these words in the Word List.

Question Asked in Exam :

What major event happened on September 11, 2001, in the U.s.?

Correct answer: Terrorists attacked the United States.

Explanation: September 11, also known as 9/11, was a series of four coordinated terrorist attacks carried out by Al Qaeda, a Muslim extremist group.