Monaco succession crisis of 1918 of this event, pursuant to the clauses of the treaty of 17 July 1918." The French government at the time was still the Vichy regime. Louis II died on 9 May 1949. The Principality of Monaco passed to his grandson, Rainier III. In the absence of an heir male, the ducal titles of Valentinois and Estouteville became extinct in French nobiliary law. Before Rainier III married Grace Kelly in April 1956, he notified the French government of his plans; the French ministry of foreign affairs replied with a message of official congratulations. Count Louis de Causans is suing the French
Politics of Monaco Politics of Monaco The politics of Monaco take place within the framework of a constitutional monarchy, with the Prince of Monaco as head of state, with some powers devolved to several advisory and legislative bodies. Historically, the princes of the ruling House of Grimaldi were autocrats of an absolute monarchy until the first Constitution of Monaco was adopted in 1911. A second constitution was granted by Prince Rainier III on December 17, 1962, outlining legislative, judicial, and executive branches of government, which consist of several administrative offices and a number of councils. The Prince as head of state retains most