A group of Iraq and Afghanistan war veterans with PTSD in a class-action lawsuit settled with the U.S. government to increase their disability benefits.
While the term "post-traumatic stress disorder" hints at a modern invention, the ill effects of combat stress have been documented back to the Iliad and Samuel Pepys.
The 2007 Virginia Tech massacre resulted in widespread psychological distress among the university's students — whether or not they witnessed the incident firsthand.