Aragonese conquest of Sardinia

Conquest of Sardinia

Major battles of the campaign
Result Conquest of Pisan Sardinia by the Crown of Aragon, and creation of the Kingdom of Sardinia
Crown of Aragon
Giudicato of Arborea
Republic of Pisa
Republic of Genoa
Commanders and leaders
Alfonso IV of Aragon
Hugh II of Arborea
Manfredi della Gherardesca
Gaspare Doria
In red the Sardinian territories controlled directly by Pisa in the early 14th century, before the Aragonese invasion

The Aragonese conquest of Sardinia took place between 1323 and 1326. The island of Sardinia was at the time subject to the influence of the Republic of Pisa, the pisan della Gherardesca family, Genoa and of the genoese families of Doria and the Malaspina; the only native political entity survived was the giudicato of Arborea, allied with the Crown of Aragon. The financial difficulties due to the wars in Sicily (until 1295), the conflict with the Crown of Castile in the land of Murcia and Alicante (1296-1304) and the failed attempt to conquer Almeria (1309) explain the delay of James II of Aragon in bringing the conquest of Sardinia, enfeoffed to him by Pope Boniface VIII in 1297.

The possession of the island of Sardinia was crucial for the Crown of Aragon. Sardinia was abundant of natural resources like silver and salt and had a thriving agro-pastoral economy; also its geographical location ensured more control over the western Mediterranean and the island itself was an indispensable basis for the creation of so-called ruta de las islas (island route) that allowed to halve the time of sailing to reach the rich markets of the Eastern Mediterranean.

Chronology of events

Political situation in Sardinia after the surrender of Pisa in June 1326


Giudicato of Arborea between 1368-1388 and 1392-1409 controlled most of the island

In 1347 Aragon and the Doria, which controlled most of the lands of the former Logudoro state in north-western Sardinia, came again into conflict at Aidu de Turdu between Bonorva and Giave.[8]

Threatened by the Aragonese claims of suzerainty and consolidation of the rest of the island, the giudicato of Arborea, under Marianus IV of Arborea, broke the alliance with the Aragonese and together with the Doria declared war to the Iberians. In 1368 an Aborea offensive succeeded in nearly driving out the Aragonese from the island, reducing the "Kingdom of Sardinia" to just the port cities of Cagliari and Alghero and incorporating everything else into their own kingdom. A peace treaty returned the Aragonese their previous possessions in 1388, but tensions continued and in 1391 the Arborean army led by Brancaleone Doria again swept the most of the island into Arborean rule. This situation lasted until 1409 when the army of the giudicato of Arborea suffered a heavy defeat by the Aragonese army in the Battle of Sanluri.

After the sale of the remaining territories for 100,000 gold florins to the giudicato of Arborea in 1420,[9] the "Kingdom of Sardinia" extended throughout the island, except for the city of Castelsardo (at that time called Casteldoria or Castelgenovese), which had been stolen from the Doria in 1448. The subduing of Sardinia having taken a century, Corsica, which had never been wrestled from the Genoese, was dropped from the formal title of the Kingdom.


  1. 1 2 Casula 2012.
  2. Casula 1994, p. 342.
  3. 1 2 3 Casula 1994, p. 343.
  4. Casula 1994, p. 303.
  5. 1 2 3 Casula 1994, p. 384.
  6. Casula 1994, p. 284.
  7. 1 2 3 Casula 1994, p. 423.
  8. Casula 1994, p. 285.
  9. Casula 1994, p. 372.


Coordinates: 39°34′00″N 8°54′00″E / 39.5667°N 8.9000°E / 39.5667; 8.9000

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