He formed a league with the primate Prazmowski and other traitors to dethrone the king; when (1670) the plot was discovered and participation in it repudiated by Louis XIV., the traitors sought the help of the elector of Brandenburg against their own justly indignant countrymen.
He accordingly directed the Sardinian admiral Persano only to arrest the expedition should it touch at a Sardinian port; while in reply to the indignant protests of the continental powers he disclaimed all knowledge of the affair.
Bismarck, moreover, was indignant at the connivance of the Italian government in the Garibaldian expedition to Dijon, and was irritated by Visconti-Venostas plea in the Italian parliament for the integrity of French territory.
The indignant friar would hear of no compromise: "Judas," he cried, "sold Christ for 30 pence; and your highnesses wish to sell Him again for 300,000 ducats."
In July 1863 Gorchakov was appointed chancellor of the Russian empire expressly in reward for his bold diplomatic attitude towards an indignant Europe.