Answer:
Such episodes fall under the blanket psychological term of "mass hysteria," and here are a handful of examples.
Salem Witch Trials (1692–93) This is one of the best-known incidents of mass hysteria. ...
The Miracle of the Sun (Oct. 13, 1917) ...
Halifax Slasher (1938) ...
Tanzania laughter epidemic (1962)
Sri Lanka (2012)
Explanation:
