When did the Moors first invade Spain?
Moors
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Armigers bearing moors or moors' heads may have adopted them for any of several reasons, to include symbolizing military victories in the Crusades, as a pun on the bearer's name in the canting arms of Morese, Negri, Saraceni, etc., or in the case of Frederick II, possibly to demonstrate the reach of his empire.[50] The arms of Pope Benedict XVI feature a moor's head, crowned and collared red, in reference to the arms of Freising, Germany.[51]  In the case of Corsica and Sardinia, the blindfolded moors' heads in the four quarters have long been said to represent the four Moorish emirs who were defeated by Peter I of Aragon and Pamplona in the 11th century, the four moors' heads around a cross having been adopted to the arms of Aragon around 1281–1387, and Corsica and Sardinia having come under the dominion of the king of Aragon in 1297.[52] In Corsica, the blindfolds were lifted to the brow in the 18th century as a way of expressing the island's newfound independence.[53]