Rainier III, Prince of Monaco of Monaco, the Palais Princier announced that Rainier's son, Hereditary Prince Albert, would take over the duties of his father as regent since Rainier was no longer able to exercise his royal functions. On 1 April 2005, the Palace announced that Rainier's doctors believe his chances of recovery were "slim". On 6 April, Prince Rainier died at the Cardiothoracic Center of Monaco at 6:35 AM local time at the age of 81. He was succeeded by his only son, who became Prince Albert II. He was buried on 15 April 2005, beside his wife, Princess Grace, at the Cathedral of
National Day of Monaco National Day of Monaco The National Day of Monaco (, literally Prince's holiday) also known as The Sovereign Prince's Day is currently annually celebrated on 19 November. The date of the National day is traditionally determined by the reigning Prince. The previous Princes often chose the day of the saint they were named after. For instance the late Prince Rainier III chose 19 November, the day that celebrates St. Rainier. When Prince Albert II ascended the throne he ended this tradition by choosing the same day as his father, instead of the day of St. Albert, 15 November. The 19