The events that happened on 9-11 were terrible. September eleventh 1999 four planes were taken over by terrorists. That morning the first two planes were hijacked and hit the World Trade Center. Everyone was in a panic when they heard a third plane had hit the Pentagon. The fourth plane hit a field in Pennsylvania. The plane was taken over by a group of terrorists. Everyone onboard the plane had already heard what happened to the World Trade Center and the Pentagon. They took back the plane and saved lots of lives.