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
Monaco Heliport Heli Securite Nice Côte d'Azur Airport in Nice, France. Shuttle buses provide connections to and from the heliport with major hotels and many other locations within Monaco. "Compagnie des Autobus de Monaco" operates two bus routes, which stop in the vicinity of the heliport. Monaco Heliport Monaco Heliport (, ), also known as Monte Carlo Heliport, is situated in the district of Fontvieille in the Principality of Monaco. The heliport is the only aviation facility within Monaco. It was opened with the support of Prince Rainier III in 1976, with only one helipad. The only scheduled destination is Nice Côte