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
Challenge Prince Rainier III how the only football game of the year had an air of folklore among the players and of the palace of Monaco. At the time the teams were completed and at the request of Prince Rainier III, the competition has grown. In the first round of the competition, the teams are placed into groups for a round-robin stage. The best teams from these groups progress to the knockout rounds of the Challenge Prince Rainier III. The lower teams from each group then qualify for the knockout stages of the Trophée Ville de Monaco, the second level cup in Monaco underneath