Rainier III, Prince of Monaco Our Lady Immaculate, the resting place of previous sovereign princes of Monaco and several of their wives, and the place where Prince Rainier and Princess Grace had been married in 1956. Because his death occurred shortly after that of Pope John Paul II, Rainier's death was overshadowed in the media. "See also: List of titles of the Monegasque Crown" 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
Charles III, Prince of Monaco Charles) itself takes its name from Charles, after all its founder. Charles established a society (business) to run the Casino; this society is today the Société des bains de mer de Monaco. Under Charles III, the Principality of Monaco increased its diplomatic activities; for example, in 1864, Charles III concluded a Treaty of Friendship with the Bey of Tunis, Muhammad III as-Sadiq, which also regulated trade and maritime issues. He was the 182nd Grand Cross of the Order of the Tower and Sword. Monte Carlo is named after Charles III. It stands for the "Mount Charles" in Italian. Charles III