Cesare Borgia's Conquest of the Romagna

Pope Alexander VI (Rodrigo Borgia) channelled the spiritual and fiscal resources of the Church — sale of offices, simony, and indulgences — into the dynastic territorial ambitions of his son Cesare Borgia. With French military backing, Cesare campaigned to subdue the patchwork of vicariates and signorie that nominally owed allegiance to the papacy but in practice ruled the Romagna autonomously. Between 1499 and 1503 Cesare overran Imola, Forlì, Rimini, Faenza, Urbino and other cities, deposing their lords and constructing a consolidated principality administered with notable efficiency. Machiavelli, who observed him directly, would model parts of The Prince on his methods. The conquest exemplified the structural attempt to convert the papal monarchy's moral authority into hard territorial power. It depended wholly on Borgia patronage and collapsed after Alexander VI's death in 1503, but the revenue logic that financed it — extraction from Northern European faithful experienced as a corrupt Italian tax — created precisely the grievances Luther would mobilise in 1517.

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