1782 - In Ohio the Gnadenhutten massacre[?] of Native Americans takes place in which 29 men, 27 women, and 34 children were killed by white militiamen in retaliation for raids carried out by another Native American group.
... with its axis slipping around in the groove in a circular fashion. The groove inside the device, is a little wider than the axis, and the gyroscope's evasive action ...