On 21 April 1092, Pope Urban issued the bull "Cum Universis", in which he created the metropolitanate of Pisa, promoting the bishop to the rank of archbishop, and assigning the bishoprics of Corsica as his suffragans.
On April 21, 1092, Pope Urban issued a decree establishing the metropolitanate of Pisa, elevating the bishop to archbishop, and assigning the bishoprics of Corsica as his suffragans.