On the morning of September 11, 2001, terrorists managed to hijack four planes and send two of them plummeting into the World Trade Center's twin towers in New York.
The third airplane was plunged into the Pentagon and a fourth airplane crashed in Pennsylvania after several brave passengers were able to overpower the hijackers.
The events of 9/11 took the lives of 2,977 victims in New York, Virginia, and Pennsylvania. The effects of heat, bacteria and chemicals like jet fuel have made it nearly impossible to identify the dead.
But, for the first time since March 2015, the remains of a Sept. 11 World Trade Center victim have been identified.
Find out more on the next page...