Salem Witch Trials
Punishment in Salem Witch Trials
This image displays the some of the punishment that took place during the 1692 Salem Witch Trials. People were called insane during this time period and were executed because they were accused of being witches. The picture above shows an execution taking place infront of a crowd.google images

The concept of "mentally insane people" started, in effect of The Salem Witch Trials.  The people who were executed for being a "witch" were, diagnosed by psychologist, to have most likely have actually been insane.