Between 1347 and 1351, the Black Death killed somewhere between a third and half of Europe's entire population. Some cities lost two out of every three people. The dead outnumbered the living in certain regions. And in the chaos, ordinary people did extraordinary and terrible things β including groups who traveled from town to town whipping themselves bloody in public, convinced that self-inflicted suffering could stop the pestilence that prayer and medicine couldn't touch.
The middle of the fourteenth century felt, to the people living through it, like the world was ending. Not metaphorically. Literally β a sequence of disasters so relentless and so varied that the conclusion many drew was that God had turned his face from humanity and the end times were arriving on schedule. In 1337 a comet trailed across the sky for months, which the educated and uneducated alike read as an omen of catastrophe. For three years after that, locusts arrived in swarms vast enough to shadow the fields and leave famine behind them. In 1348, an earthquake shook Cyprus, Greece, Italy, and the Alpine valleys as far north as Basel β thirty villages and the town tower of Villach collapsed in Carinthia alone. Mountains shifted. The air turned thick and foul. Wine fermented in sealed casks. Fiery meteors were reported in the sky. A column of flame, seen by hundreds of witnesses, appeared to descend onto the roof of the Pope's palace at Avignon. Then, in the same year the earthquake hit, the pestilence arrived. Europe had seen plagues before. Nothing had prepared it for this.
In the worst-affected cities of medieval Europe, the Black Death of 1347-1351 killed so quickly and in such numbers that the usual rituals of burial broke down entirely β bodies were stacked in carts, pits were dug at the edges of towns, and entire neighborhoods emptied of the living.
What the Plague Actually Did to People and Towns
The Black Death came from the east β most accounts trace its origins to Central Asia, from which it spread along trade routes westward through China, Persia, and the Middle East before reaching the ports of the Mediterranean. It arrived in Sicily in 1347 on Genoese trading ships, and from there it moved through Italy and France with a speed that tells you something about how thoroughly connected medieval Europe actually was along its commercial arteries. The disease killed in multiple ways β the bubonic form caused swellings in the lymph nodes that turned black and burst, the pneumonic form spread through the breath and killed even faster, and septicemic infection could kill within a day before visible symptoms even appeared. There was, in 1348, nothing that could be done for it. No treatment worked. No isolation was reliable. Physicians who approached patients frequently died alongside them. In OsnabrΓΌck, in Germany, only seven married couples remained intact when the epidemic passed β everyone else had lost their partner. Of the Franciscan Minorites of Germany alone, a hundred and twenty-five thousand died. Florence lost between sixty and eighty percent of its population. Some villages in France and England were simply vacated β everyone capable of running did so, leaving the dying and the already dead behind them. In China, by some estimates, thirteen million people died. Across Asia, the mortality was staggering. By the time the epidemic burned through Europe and began to subside in the early 1350s, somewhere between a third and a half of the continent's population was gone. The actual number will never be known precisely β the record-keeping collapsed along with everything else.
The Flagellants: When People Decided Pain Was the Answer
A movement emerged out of the horror that is, by any measure, one of the stranger mass phenomena in European history. The flagellants were groups of men β sometimes hundreds at a time, occasionally thousands β who traveled from town to town performing public rituals of self-punishment. They marched in procession, stripped to the waist, beating themselves with leather straps loaded with iron spikes until their backs were raw and bleeding. The idea was straightforward, if terrible: the plague was divine punishment for human sin, and if voluntary suffering could demonstrate sufficient repentance, God might relent. They moved through Germany in particular with a kind of momentum that's hard to explain unless you understand what the people watching had just been through. Towns that had lost half their population in the previous year, that had watched their priests and physicians die alongside their neighbors, that had run entirely out of theological explanations that felt adequate β these communities were receptive to something, anything, that offered a form of human agency against a catastrophe that seemed to recognize no human defenses at all. The flagellants were initially tolerated and in some places welcomed. The spectacle was extraordinary and the sincerity of the participants apparently real β these were not performers. Some died from their wounds. Some continued the circuits for months. The Church eventually turned against the movement, and forcefully. Pope Clement VI condemned it. The logic was partly theological β the flagellants were implicitly claiming that their suffering could substitute for priestly absolution, which cut the institutional Church out of the transaction between sinners and God β and partly practical, since the movement was becoming difficult to control and, in some regions, had begun producing apocalyptic preaching that authorities found alarming. The flagellant movement faded, suppressed partly by official condemnation and partly by the simple fact that the plague eventually receded without any visible connection to the rituals performed to stop it.