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An outbreak of dancing mania, in which crowds of people danced themselves to exhaustion, began in Aachen (in present-day Germany) before spreading to other parts of Europe.
Related Wikipedia articles
Dancing mania
Medieval social phenomena
Dancing mania was a phenomenon that may have had biological causes, which occurred primarily in mainland Europe between the 14th and 17th centuries. It involved groups of people dancing erratically, sometimes thousands at a time. The mania affected adults and children who danced…Source: Wikipedia (CC BY-SA)
Free Imperial City of Aachen
Free Imperial City of the Holy Roman Empire (1166–1801)
The Free Imperial City of Aachen, also known in English by its French name of Aix-la-Chapelle and today known simply as Aachen, was a Free Imperial City and spa of the Holy Roman Empire west of Cologne and southeast of the Low Countries, in the Lower Rhenish–Westphalian Circle.…Source: Wikipedia (CC BY-SA)