prison riots

Big Mac Prison Riot, 1973

aerial view of oklahoma state penitentiary

Riot-A violent disturbance of the peace by a crowd; an outbreak of violent civil disorder or lawlessness--Oxford English Dictionary 

Forty years ago, on July 27th, 1973, a violent prison riot erupted at the the Oklahoma State Penitentiary in McAlester. It resulted in four deaths (one death was the result of a heart attack),  more than 20 injuries, the destruction of many buildings, and an estimated damage of over $20 million.