Rainier III (Rainier Louis Henri Maxence Bertrand Grimaldi; 31 ...
wikipedia - 19 Apr 2022Rainier III (Rainier Louis Henri Maxence Bertrand Grimaldi; 31 May 1923 – 6 April 2005) was Prince of Monaco from 1949 to his death in 2005. Rainier ruled the Principality of Monaco for almost 56 years, making him one of the longest-ruling monarchs in European history.