January 30 in strange history
What strange thing happened on January 30? Here is the story from our files for this date, each checked against sources.
The Tanganyika Laughter Epidemic (1962)
In January 1962 three girls at a boarding school in Kashasha, Tanganyika, began laughing and crying uncontrollably. The 'laughter epidemic' spread to villages and closed schools. Doctors concluded it was mass psychogenic illness.