Person

Rainier III, Prince of Monaco

1923–2005 · 20th century

Rainier III was Prince of Monaco from 1949 to 2005, the longest reign in its history. He enlarged the principality through land reclamation, developed it as a banking and tourism centre and granted the constitution of 1962. His marriage to the American actress Grace Kelly in 1956 brought Monaco worldwide attention. His son Albert II succeeded him.

Rainier III, Prince of Monaco
Image: Robert LeRoy Knudsen · Public domain · Wikimedia Commons

Mentioned in 1 state history

Principality of Monaco

See also

Cite this entry
APA
The Epoch Institute. (2026). Rainier III, Prince of Monaco. In The Epoch Institute Encyclopedia. https://the-epoch-institute.org/encyclopedia/rainier-iii-prince-of-monaco
MLA
“Rainier III, Prince of Monaco.” The Epoch Institute Encyclopedia, The Epoch Institute, 2026, https://the-epoch-institute.org/encyclopedia/rainier-iii-prince-of-monaco. Accessed .
Chicago
The Epoch Institute. “Rainier III, Prince of Monaco.” The Epoch Institute Encyclopedia. 2026. https://the-epoch-institute.org/encyclopedia/rainier-iii-prince-of-monaco.
Harvard
The Epoch Institute (2026) ‘Rainier III, Prince of Monaco’, The Epoch Institute Encyclopedia. Available at: https://the-epoch-institute.org/encyclopedia/rainier-iii-prince-of-monaco (Accessed: ).

Last reviewed October 2026Random entry ↻