In the middle ages, a nun in a convent began to meow like a cat. All the nuns began meowing and didn't stop until soldiers beat them. In the 15th century, nuns in a convent in Germany began biting each other. It was thought to be a new disease, and it spread all the way to Rome.

In 1518, one woman began dancing in the street in Strasbourg, France. Soon others joined in, and in a month, there were hundreds who couldn't stop dancing. Some *died.*

In 1962, some girls in a school in Tanzania began uncontrollably laughing. Soon half the school was laughing, and it got so bad they closed the school. They all stopped laughing, but started again as soon as the school reopened.

The "illness" Koro was a mass hysteria that started in China and spread to other countries in Asia. The symptoms were a delusional belief that ones' penis was shrinking into the body.

We all know about the Salem Witch Trials, the most famous mass hysteria in the history of the US.

The Halifax Slasher was a mass hysteria in 1938 England. Two women said they were attacked by a weird guy, and soon there were more and more attacks. Eventually, they all admitted they attacked themselves.

I bring these up for NO PARTICULAR REASON