Flag of Sardinia Cagliari. The late 14th century Gelre Armorial attributes the Four Moors to the Kingdom of Sardinia in the states of the Crown of Aragon. It is found in another Armorial perhaps from Lorraine area (preserved in the National Library of France) and of uncertain date but certainly in the 15th century. In 1509, another Portuguese Armorial Book (Livro do Armeiro-mor). Sardinia is represented only with the cross of St. George. The Four Moors begin to be used consistently as a symbol of the Kingdom of Sardinia during the time of the Catholic Monarchs, and especially from the time of the
Sardinia the pre-Roman noun *"s(a)rd-", later romanised as ' (feminine '). It makes its first appearance on the Nora Stone, where the word "Šrdn" testifies to the name's existence when the Phoenician merchants first arrived. According to "Timaeus", one of Plato's dialogues, Sardinia (referred to by most ancient Greek authors as "Sardò", Σαρδὼ) and its people as well might have been named after a legendary woman going by Sardò (), born in Sardis ("Σάρδεις"), capital of the ancient Kingdom of Lydia. There has also been speculation that identifies the ancient Nuragic Sards with the Sherden, one of the Sea Peoples. It