|Vira Saia amok case|
|Date|| February 1957|
|Location(s)||Vila Vira Saia, Brazil|
In February 1957 a Brazilian ex-convict killed five people and wounded 15 others with a knife at a dance in Vila Vira Saia, a village in Pará, Brazil. He was then overpowered and stabbed to death by a relative of two of his victims.