Hundred Years' War
Battle of Poitiers

The Black Death, which had just arrived in Paris in 1348, ravaged Europe. In 1355, after the plague had passed and England was able to recover financially, King Edward's son and namesake, the Prince of Wales, later known as the Black Prince, led a Chevauchée from Gascony into France, during which he pillaged Avignonet, Castelnaudary, Carcassonne, and Narbonne. The next year during another Chevauchée he ravaged Auvergne, Limousin, and Berry but failed to take Bourges. He offered terms of peace to King John II of France (known as John the Good), who had outflanked him near Poitiers but refused to surrender himself as the price of their acceptance.

This led to the Battle of Poitiers (19 September 1356) where the Black Prince's army routed the French. During the battle, the Gascon noble Jean de Grailly, captal de Buch led a mounted unit that was concealed in a forest. The French advance was contained, at which point de Grailly led a flanking movement with his horsemen, cutting off the French retreat and successfully capturing King John and many of his nobles. With John held hostage, his son the Dauphin (later to become Charles V) assumed the powers of the king as regent.

After the Battle of Poitiers, many French nobles and mercenaries rampaged, and chaos ruled. A contemporary report recounted:

... all went ill with the kingdom and the State was undone. Thieves and robbers rose up everywhere in the land. The Nobles despised and hated all others and took no thought for usefulness and profit of lord and men. They subjected and despoiled the peasants and the men of the villages. In no wise did they defend their country from its enemies; rather did they trample it underfoot, robbing and pillaging the peasants' goods...
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