- Prince Rainier III, also known as Rainier Louis Henri Maxence Bertrand Grimaldi was the ruler of Monaco for nearly 56 years.
- 18th, 1920, deceased on November 10th, 1964. May 9th, 1949, Prince Rainier III succeeds His grandfather, the Prince Louis II.
- On May 9, 1949, Rainier ascended to the throne of Monaco as Prince Rainier III, upon the death of his grandfather.
- Rainier III, prince de Monaco was the 31st hereditary ruler of the principality of Monaco (1949–2005).
- The death of Prince Rainier III of Monaco marked the end of an era for Europe's oldest royal family still in power.
- Prince Rainier III, also known as Rainier Louis Henri Maxence Bertrand Grimaldi was the ruler of Monaco for nearly 56 years.
- Prince Rainier III joined the Free French Army as an artillery officer in 1944, during World War II, and fought against the Nazi occupation of France.
- The 56 years of Prince Rainier III’s reign radically modernised the Principality, in terms of both its internal configuration and its international standing.
- Rainier, (d. 31 Mayıs 1923 - ö. 6 Nisan 2005) Tam adı Rainier Louis Henri Maxence Bertrand Grimaldi 1949-2005 yılları arasında görev yapmış 31.
- Prince Rainier Grimaldi III ruled the tiny and glamorous principality of Monaco for more than 50 years.