What does the U.S. District 9 incident mean?

"Incident" (also known as "911", "911 in the United States", etc.) refers to the historical event on September 11, 2001, when the hijacked plane hit the World Trade Center in New York and the Pentagon in Washington, D.C. On 11 September 2001, four civilian airliners flew over the United States, but they were silently hijacked by hijackers. When the Americans were just about to start their day's work, a series of plane collisions occurred at the World Trade Center in New York, and the skyscraper of the World Trade Center collapsed with a bang, turning into rubble, killing more than 3,000 people.

At 8:45 a.m., the Boeing 767-B-223ER was hijacked shortly after it flew out of Boston's Logan International Airport and crashed into the North Tower of the World Trade Center, which subsequently collapsed. Crew on board:

92, killed: 92. 9:

03, Boeing B-767-222 was also hijacked shortly after flying out of Boston's Logan International Airport, crashing into the South Tower of the World Trade Center, which subsequently collapsed. Crew on board: 65, killed:

65。At 9:45, Boeing 757-223 was hijacked shortly after flying out of Dulles International Airport and crashed into a corner of the Pentagon.

At 9:37 a.m. on September 11, 2001, the Pentagon was hit by a passenger plane hijacked by terrorists, resulting in the death of 184 people.

On September 11, 2001, the World Trade Center in the United States was hit by a passenger plane with passengers inside, and the World Trade Center was destroyed, and almost all the people inside died, almost more than 3,000 people died in this incident....

On September 11, 2001, **** attacked the Pentagon, killing and missing more than 3,000 people, and the United States became the second Pearl Harbor in American history.

The North and South Towers of the World Trade Center in the United States were ****: Ben. Osama bin Laden crashed with a plane.

The Pentagon was hit in the United States! It was a sensation for a long time!

The "incident", also known as the "911 terrorist attack" and "911 incident in the United States", refers to the historical event that four hijacked civil airliners hit the World Center in New York and the Pentagon in Washington on the morning of September 11, 2001 (the evening of September 11, Beijing time). Six buildings, including the twin towers of the World ** Center, a landmark in New York, were completely destroyed, 23 other high-rise buildings were damaged, and the Pentagon, where the headquarters of the US Department of Defense is located, was also attacked.