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How did El Cid change Valencia’s chief mosque after conquering the city?

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Cid, the — El Cid The Cid, sculpture in Balboa Park, San Diego.

After conquering the city of Valencia in 1094, El Cid oversaw the Christianization of its chief mosque in 1096. Following this conversion, he appointed a French bishop named Jerome to the newly established see, which coincided with a significant influx of Christian colonists into the city.1