He apparently tried to conciliate his father-in-law in the hope of bringing him into the League of Augsburg.
He made desperate efforts to conciliate the population, and succeeded with a few of the nobles, who were led to believe in the possibility of an Italian confederation, including Lombardy and Venetia which would be united to Austria by a personal union alone; but the immense majority of all classes rejected these advances, and came to regard union with Piedmont with increasing favor.
From that time, in spite of occasional indulgences shown to the Reformers, due to his desire to conciliate the Protestant powers, Francis gave a free hand to the party of repression, of which the most active and most pitiless member was Cardinal de Tournon; and the end of the reign was sullied by the massacre of the Waldenses (1545) Francis introduced new methods into government.
He certainly failed to conciliate the new king Frederick William; and thus ended Mirabeau's one attempt at diplomacy.
Further to conciliate the Romans and especially Sulla,he sent to the Capitol a group of Victories guarding a device in gold showing Bocchus handing over Jugurtha to Sulla.