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
History of Sardinia the Abealzu-Filigosa and Monte Claro culture of the Chalcolithic period, developed in the island contemporaneously with the appearance of the megalithic phenomenon. The dolmens culture, around the end of the 3rd millennium BC, passed with other typical material aspects of Western Europe (e.g. Bell Beaker) through by the Sardinian coast even in Sicily. Prehistoric and Pre-nuragic monuments and constructions that characterise the Sardinian landscapes are the Domus de Janas (), the menhir and Statue menhir and the dolmens. Archeological cultures of Sardinia in the pre-Nuragic period: Bronze Age Sardinia is characterised by stone structures called nuraghes, of which there are