Penance as a plague response
Many people in the fourteenth century understood the plague as a sign of divine anger. If sin had brought the disaster, the logical response was repentance. Flagellants, who whipped themselves in public as an act of penance, were one of the most visible expressions of that belief. Processions of flagellants appeared in several parts of Europe in 1348 and 1349 and became one of the best-known religious reactions to the epidemic.
Self-scourging itself was not new. Monks and devout individuals had practiced forms of bodily discipline for centuries as a way of sharing Christ’s suffering and atoning for sin. An earlier wave of flagellant processions had also appeared in northern Italy in the thirteenth century. What was different in the plague years was the scale and the sense of urgency.
What the processions looked like
Accounts differ in detail, and many come from hostile or secondhand chroniclers, so the following is a general picture rather than a precise description. Groups of penitents, often organized under a leader or master, traveled from town to town. They are usually described as wearing plain clothing marked with crosses and walking in procession, singing hymns in the local language. At set moments they stripped to the waist, knelt or lay down in a circle, and struck themselves with scourges, which were often described as leather thongs tipped with knots or metal.
Reports say that the penitents followed strict rules for a fixed period, commonly said to be about thirty-three days, a length symbolizing the years of Christ’s life. Members were reportedly forbidden from bathing, changing clothes or sleeping in beds, and from speaking to women. Some accounts mention that they were meant to give up their former lives for the duration. Because these details come from chroniclers who did not always agree, they should be read as traditional descriptions, not certainties.
Where the movement was strongest
The movement is most strongly associated with German-speaking lands and the Low Countries in 1349, though it was also reported elsewhere. Large bands are said to have entered towns to cheering crowds. Local people often welcomed them, gave them lodging and joined in the hymns. Contemporary numbers for the size of the bands, where given, are usually round and unreliable.
By contrast, the movement seems to have had much less impact in some other regions. In England, for example, there are few reliable reports of large flagellant processions during the main plague years. Historians have debated why, and the surviving evidence does not provide a firm answer.
Why the Church turned against them
At first, local clergy often tolerated the movement. Over time, however, it began to look like a challenge to the Church. The flagellants were largely led by laypeople, and some reports say they claimed that their scourging could cleanse sin without the sacraments or the intervention of priests. Others describe them as taking on tasks that belonged to the clergy, such as hearing confessions or granting forgiveness. For an institution that saw itself as the necessary path to salvation, this was worrying, and it touched on ideas about the medieval church and its authority.
Pope Clement VI, who was living at Avignon, condemned the movement in a bull in the fall of 1349. Secular rulers and city councils in various places also barred the processions. After that, the large public bands appear to have broken up fairly quickly, though smaller groups and local confraternities of penitents continued to appear in later years and centuries.
The link with violence against minorities
Some accounts connect flagellant bands to attacks on Jewish communities in 1349. Chroniclers reported that in certain towns the arrival of flagellants coincided with or preceded massacres. How far the flagellants themselves caused this violence, as opposed to the wider panic and local politics, is debated. In many cases, town leaders, mobs and economic motives clearly played their own parts. The pope’s bull actually defended Jews in 1348, and there is no simple line from the penitents to the killings.
Why it mattered
Flagellant processions show how people tried to take action when medicine had little to offer. Penance gave frightened communities something to do, a way to feel that the disaster could be answered by moral effort. It also reflected deep anxiety about sin and judgment, themes that ran through the age and are visible in ideas like purgatory and the fear of dying unprepared.
The episode also shows the limits of Church tolerance. Popular religious enthusiasm was welcome when it reinforced the existing order, but it was dangerous when it seemed to bypass clerical authority. That tension would appear again in later centuries.
What remains uncertain
Much of what we know comes from chronicles written by educated observers, often clergy, who disapproved of the movement and may have exaggerated or generalized. The numbers of participants, the precise rules, and the degree of any anticlerical teaching are all hard to pin down. Historians generally agree that the movement was real and widely noticed, but they treat the more dramatic claims with care.