Many can remember exactly where they were and how they felt when the towers fell.
Some of the younger generation may have been young but can still recall the attack like it was yesterday.
"I was in my first grade teachers class, " says student at Wallace Community College, Scott Ledford.
"I was actually in the second grade, " says student at Wallace Community College, Chelsey Wilson.
"During 9/11 i was in the fourth grade, " says student at Alabama College of Osteopathic Medicine Callie George.
September 11th 2001. A day they'll always remember.
"They announced on the intercom what just happened so everybody turned on the TV and there were a bunch of mixed emotions. I personally have family in new york, " says student at Alabama College of Osteopathic Medicine, Michael Darvin.
"I was in the classroom going over a history test that I didn't study for and at first they didn't really tell us what was happening. My teacher, she is really big on history so she cut on the TV for us and we seen what was happening and all the buildings were falling. At the time, I thought it was fake because it was like real buildings falling over, " says student at Wallace Community College, William Knight.
"I remember just coming back from lunch, another one of the teachers ran into the classroom telling us what had happened, " says Ledford.
And what happened was something that will always be in their memory.
"I still think of that first emotional moment when i think of it. It has set in, it's been a while but i just think it's crazy that someone would do that to our country, " says George.
"It was very difficult and kind of hard to believe at such a young age but you could definitely see the big impact that it had on everybody, " says Wilson.
"That's a date in history and i feel that it's going to be with me for the rest of my life, " says Darvin.
All of the students agreed, 9/11 is something that can be described in one word...Unbelievable.