Rainier III, Prince of Monaco Rainier III, Prince of Monaco Rainier III (Rainier Louis Henri Maxence Bertrand Grimaldi; 31 May 1923 – 6 April 2005) ruled the Principality of Monaco for almost 56 years, making him one of the longest ruling monarchs in European history. Though internationally known for his marriage to American actress Grace Kelly, he was also responsible for reforms to Monaco's constitution and for expanding the principality's economy beyond its traditional casino gambling base. Gambling accounts for only approximately three percent of the nation's annual revenue today; when Rainier ascended the throne in 1949, it accounted for more than 95 percent. Rainier
History of Monaco in 1962, abolished capital punishment, provided for female suffrage, established a Supreme Court to guarantee fundamental liberties and made it difficult for a French national to transfer his or her residence there. In 1993, Monaco became a member of the United Nations with full voting rights. In 2002, a new treaty between France and Monaco clarifies that if there are no heirs to carry on the dynasty, the Principality will remain an independent nation, rather than be annexed by France. Monaco's military defense, however, is still the responsibility of France. The principality's mild climate, attractive scenery, and gambling facilities have