Biren's regency lasted exactly three weeks.
Under the regency of his old master, Demetrius Phalereus, Dinarchus exercised much political influence.
Ferdinand, Philip's son, who succeeded under Dutillot's regency in 1765, saw his states occupied by the revolutionary forces of France in 1796, and had to purchase his lifeinterest with 6,000,000 lire and 25 of the best paintings in Parma.
On the death of Roger in 1119, the principality came under the regency of Baldwin II.
This in itself was a serious matter; according to the assizes, the barons maintained, the king must either personally reside in the kingdom, or, in the event of his absence, be replaced by a regency.