On June 24, 1374 – 645 years ago today – the men, women, and children of the Rhineland city of Aachen began to dash out of their houses and into the streets, where – inexplicably, compulsively and uncontrollably – they began to twist and twirl, jump and shake, writhe and twitch until they dropped from exhaustion or simply dropped dead. Real disco inferno, boogie-fever stuff. It was the first major occurrence of what would come to be known as “dancing plague” or “choreomania”, which over the next years was to spread across Europe. There had been small outbreaks before, going back to the seventh century. An outbreak in 1237 saw a group of children jump and dance all the way from Erfurt to Arnstadt in what today is central Germany, a distance of some 13 miles. It was an event that might very well have given rise to the legend of the Pied Piper of Hamelin. But the outbreak in Aachen 645 years ago today was big: before it was over thousands upon thousands of men, women and children had taken to the streets as the “dancing plague” spread from Aachen to the cities of Cologne, Metz, Strasbourg, Hainaut, Utrecht, […]