In December 1352 Clement died, and his successor, Innocent VI., anxious to strike a blow at the baronial rulers of Rome, and seeing in the former tribune an excellent tool for this purpose, pardoned and released his prisoner.
When, in 1837, the baronial fiefs were suppressed by Charles Albert, and the land transferred to the state, the ademprivio was maintained on the lands subject to it, and it was thus to the interest of all that 'The herb y Sardoa, said to cause the risus Sardonicus (sardonic laugh), cannot be certainly identified (Pausanias x.
In diameter, at the foot of a nuraghe, which, like the baronial castle of a medieval town, towered above the settlement.
At the verge of the rock on the western side is the old baronial castle, erected by King John in 1185, which was the residence of the bishops till the 14th century.
This was settled in May 1213, and in the new prelate, the papal nominee, Stephen Langton, who landed in England and absolved the king in the following July, the baronial party found an able and powerful ally.