When Charlemagne conquered the Lombards, he did something no other Germanic king dared
In short: In 774, after a grueling ten-month siege of Pavia, Charlemagne achieved a rare feat in the Early Middle Ages. Instead of merely replacing the Lombard leadership, he adopted their royal title for himself, effectively merging two kingdoms and laying the groundwork for the future Holy Roman Empire.
The conflict began as a breakdown of complex diplomatic ties. Charlemagne had initially allied with the Lombard King Desiderius by marrying his daughter, Desiderata, but he soon divorced her and sent her home. Tensions escalated when Desiderius gave asylum to the widow and children of Charlemagne’s deceased brother, Carloman, challenging the Frankish succession. Meanwhile, Pope Hadrian I, facing Lombard territorial aggression that threatened Rome itself, appealed to Charlemagne for military intervention.
By the summer of 773, Charlemagne led a massive force of 10,000 to 40,000 troops across the Alps. After outmaneuvering Lombard defenses, the Franks surrounded Pavia. The siege was a brutal affair of attrition, utilizing rudimentary engines and strict encirclement. While Desiderius remained trapped within the city walls, his son Adelchis fled to Verona and eventually to Constantinople. By June 774, famine and disease forced the surrender of Pavia, marking the swift collapse of the Lombard state.
The legacy of the siege became deeply embedded in local identity, often blurring the lines between history and myth. Centuries later, in 1514, a fresco in the church of San Teodoro depicted a miraculous version of events where the bishop of Pavia flooded the Frankish camp, forcing a retreat. Similarly, legends recorded by the chronicler Notker the Stammerer claimed Charlemagne built the church of Santa Sofia in a single day. These stories reflect a persistent desire to preserve a sense of autonomy long after the Lombard kingdom had been absorbed into Charlemagne’s growing empire.
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- Summary by Intellect · source: Siege of Pavia (773–774)
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