following Lords of Jerba: 1284�1305 Roger I, 1305�1307 and 1307�1310 Roger II (twice), 1310 Charles, 1310 Francis-Roger III; there were also royal governors, partially overlapping with the lordship terms: c. 1305�1308 Simon de Montolieu, 1308�1315 Raymond Montaner.
In 1513, after three years in exile in Rome, the Fregosi family returned to Genoa, Ottaviano was elected Doge, and his brother Federigo Fregosi (archbishop, later cardinal), having become his chief counsellor, was placed at the head of the army, and defended the republic against internal dangers (revolts of the Adorni and the Fieschi) and external dangers, notably suppression of the Barbary piracy: Cortogoli, a corsair from Tunis, blockaded the coast with a squadron, and within a few days had captured eighteen merchantmen; being given the command of the Genoese fleet, in which Andrea Doria was serving, Federigo surprised Cortogoli before Bizerta, effected a descent on the island of Djerba and returned to Genoa with great booty.
It was also twice occupied by Spain: 1521�1524 & 1551 � 31 July 1560; again there were governors: 1521�1524 ..., 1560 Giovanni Andrea Doria. The island was temporarily the base of the Turkish corsair and admiral Barbarossa Hayreddin Pasha in the 16th century. On May 14, 1560, the Ottoman fleet under the command of Piyale Pasha and Turgut Reis severely defeated the Holy League of Philip IIat the Battle of Djerba. Djerba belonged to the Ottoman regency of Tunis until 1881, subsequently under the French colonial protectorate, which became the modern republic of Tunisia.
An archaeological field survey of Jerba, carried out under the auspices of the University of Pennsylvania, the American Academy in Romeand the Tunisian Instiut National du Patrimoine between 1995 and 2000, revealed over 400 archaeological sites, including many Punic and Roman villas.
In the Ghriba synagogue bombing on April 11, 2002, a truck full of explosives was detonated close to the