TIL that in 1962, a laughter epidemic in Tanzania caused uncontrollable bouts of laughter, affecting over 1,000 people and forcing 14 schools to close for months.

https://en.wikipedia.org/wiki/Tanganyika_laughter_epidemic
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1g547iz/til_that_in_1962_a_laughter_epidemic_in_tanzania/