es, the code made provincial 14th century Sardinia one of the most developed societies in all of Europe.
In the Carta de Logu it is clear that the kings and queens of Arborea saw themselves as the legitimate rulers of Sardinia: they stated very clearly that the Carta de Logu applied to the whole of Sardinia, not just to their dominions, and that it had been established to guarantee the well-being and development of the Sardinian state and its people.
In 1353 Peter IV of Aragon, following Aragonese custom, granted a parliament to the kingdom of Sardinia and Corsica, which was followed in due course by some degree of self-government under a viceroy and judicial independence. This parliament, however, had some very limited powers. It consisted of high-ranking military commanders, the clergy and the nobility. The kingdom of Aragon also introduced the feudal system into the areas of Sardinia ruled by it.
The Sardinian kingdoms never adopted feudalism, and the Kingdom of Arborea maintained its parliament called the "Corona de Logu". In this parliament, apart from the nobles and military commanders, also sat the representatives of each township and village. The Corona de Logu exercised some control over the king: under the rule of the "bannus consensus" the king could be deposed or even killed if he did not follow the rules of the kingdom.
From 1365 to 1409 the Arborean giudici Mariano IV, Ugone III, Mariano V (assisted by his mother Eleonora, the famous giudicessa regent), and Guglielmo III (the French grandson of Eleonora) succeeded in occupying all of Sardinia except the heavily fortified towns of the Castle of Cagliari (today simply Cagliari) and Alghero, which for years were the only Aragonese dominions in Sardinia. The Giudicato of Arborea and its monarchs received a great deal of support from many Sardinians of all classes, partly because many Sardinians were strongly against the feudal system that the Kingdom of Aragon introduced in its
