556 timeline
942: Treaty of peace is sought by the caliph of Cordoba, and the Sardinians granted
autonomy
965: The fall of Rometta to Muslim forces ends the conquest of Sicily
Eleventh century: Economic revival from new developments in agriculture and com-
mercial traffic
1006: Pisa defeats the Muslims in Sicily
1011–1044: Muğāhid al-Āmirī is king of Denia and the Balearic Islands
1015–1016: Muğāhid al-Āmirī briefly occupies Sardinia
Mid-eleventh century: The first Pisan church dedicated to San Gavino is built in Turris
Libisonis
Second half of the eleventh century: Change in the political and territorial order of
Sardinia; two kingdoms: Cagliari and Ore
1056: Second failed expedition of Mudjâhid of Denia
1061–1072: Norman conquest of Sicily
1063: Barisone king of Sardinia requests the foundation of a monastery in Cagliari
1064: Foundation date of Pisa Cathedral
1070: Synod defines new church parishes, entailing three provinces in Sardinia
1073: First time four distinct guidices in Sardinia are mentioned in a letter sent by Pope
Gregory VII
1074: Orzocco was sent to Rome to report to the pope and seek a response for the
giudici
1075: Synod takes place in Sardinia
1087: Pope Victor III’s letter to the bishop of Sardinia describes the neglect of the
Sardinian church
1088–1099: Urban continues the policies of Gregory VII
1092: Pope Urban II makes Daiberto metropolitan bishop and conferred legateship
over Sardinia
Late eleventh century: Pope Urban Ii founds the diocese of Arborea
1105: Death of Daiberto
1112: Abbey of Saccargia completed
1118: Constantino, the giudice of Logudoro makes donations to the churches
1119: The Genoese and Pisan republics compete over zones of influence in the western
Mediterranean
1120s: Reform of the church of Sardinia
1122: Confirmation of the donations of 15 churches to the Cassinese monks
1123: First Lateran Council
1128: Normans set out on seafaring expeditions to Almería and the Balearic Islands
1130–1161: Strong state established in Sicily by the Hautevilles
1138: Innocent II annexes the two sees of Gallura—Civita and Galtelli—to the ecclesi-
astical province of Pisa
1149: The Cistercians settle in Sardinia