The decree of Gregory VII making the…
1090 CE
The decree of Gregory VII making the Bishops of Pisa the secular lords and perennial apostolic legates of Corsica had been confirmed by Urban II in 1190 and in 1092 is extended into a concession of full sovereignty.
Pisa now replaces the papal legates who are governing the island with judges (judices) of their own appointment.
Valuable chiefly as a source of timber for the Pisan fleet, but also as an important transit point for the slave trade, Corsica will flourish under Pisan sovereignty, but crises will soon arise.
The Corsican episcopate resents Pisan overlordship and the rival Republic of Genoa schemes to have Rome reverse the grant of 1077.