There were four. Two were flown into the World Trade Center towers, one into the Pentagon, and one crashed into a Pennsylvanian field when a number of the passengers bravely overcame the hijackers and prevented the plane also crashing into another target, probably the White House, and causing a much greater loss of life.
2 planes crashed into the twin towers. One followed by another.
The one plane crashed into the one tower and the second plane crashed into the other tower.SO it would be 2
One airplane crashed into each tower.
2
the people in the towers and the people hired to steer the planes.
2, 2 planes crashed by 2 people. Many more were on the plane but two people were flying them.
the twin towers were bombed and hit and crashed by a plane and they decided to not make the twin towers again and imagine having to make four years of building some thing and then have to build it again.
The twin towers was about the tallest building in the world.Then two planes crashed into them and alot of people died.Eventually the twins towers collasped.Where the twins towers are at the mark is still there.This was the saddest day in the world.
september 11, 2001 terrorist hijack four U.S planes, two of the planes were crashed into the twin towers, one plan was crashed into the pentagon and the other was crashed in a death valley.
4
There are two towers called the twin towers, on September 11 one plane crashed into each tower.
4
at least 19 hijackers were in the plane that crashed the twin towers
The airline that crashed into the twin towers were both planes called Boeing 767 jetliners.
american airlines
2 planes. One hit each tower
Both planes that crashed into the twin towers (Flight 11 and Flight 175) were from Logan International Airport in Boston.
FL
They died in the crash.
Passengers, Crew, and of course, Terrorists!
the people in the towers and the people hired to steer the planes.