There was a similar incident of mass hysteria back in 1962 in Tanzania (then Tanganyika), Africa. The Tanganyika Laughter Epidemic began with a school girl falling into an uncontrollable fit of laughter caused by anxiety. Soon other girls around her also began to laugh hysterically.. It spread throughout their community and eventually into other communities. They would suffer recurring laughter fits and crying that would last a few hours up to 16 days. The girls would also become restless and in some major cases violent. When specialist went in to inspect the situation they described it as a mad house. There was no apparent cause of the epidemic, but researchers described the epidemic as “a case of mass psychogenic or sociogenic illness,
