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How did Obizzo II become perpetual lord of Ferrara in 1264?
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In 1264, Obizzo II of the house of Este was named perpetual lord of Ferrara by the city's populace. This transition to hereditary lordship occurred under the significant influence of Guelf strength, which provided the political pressure necessary to secure his position.1
While the pope was the lawful lord of the territory, he did not initially oppose this appointment, though he later contested the Estensi government as Obizzo IIās power continued to expand.1