Rainier III, Prince of Monaco (He suspended the previous constitution in 1959, saying that it "has hindered the administrative and political life of the country.") The changes ended autocratic rule, placing power with the prince and a National Council of eighteen elected members. At the time of his death, he was the world's second longest-serving living head of state (independent), ranking just below the King of Thailand, Bhumibol Adulyadej. After a year-long courtship described as containing "a good deal of rational appraisal on both sides" ("The Times", 7 April 2005, page 59), Prince Rainier married Oscar-winning American actress Grace Kelly (1929–1982) in 1956. The ceremonies
Albert I, Prince of Monaco soon suspended by the Prince when World War I broke out. Also in 1911, Prince Albert created the Monte Carlo Rally, an automobile race designed to draw tourists to Monaco and the Casino. Despite his military service, or perhaps because of it, the Prince became a pacifist, establishing the International Institute of Peace in Monaco as a place to develop a peaceful settlement for conflict through arbitration. In the tension-filled times leading up to World War I, Prince Albert made numerous attempts to dissuade Germany's Kaiser Wilhelm II from war. When war came, Prince Albert could not avoid becoming involved.