The 56 years of Prince Rainier III’s reign radically modernised the Principality, in terms of both its internal configuration and its international standing.
Born in 1923, Prince Rainier’s grandfather, on his mother’s side, was Prince Louis II, who reigned from 1922 to 1949. After studying in England, Switzerland and France, in 1944 Rainier enlisted in the French Army as a foreign volunteer.
After his mother, Princess Charlotte of Monaco, renounced her rights to succession, Rainier became Prince of Monaco at the age of 26 when his grandfather died. His 56-year reign was marked by important steps forward for the Principality of Monaco.