Prince Rainier III of Monaco

Born in Monaco, Monaco on May 31, 1923 — died April 6, 2005 (aged 81)

Rainier III was the Prince of Monaco from 1949 to his death in 2005. Though internationally known for his marriage to American actress Grace Kelly, he was also responsible for reforms to Monaco's constitution and for expanding the principality's economy from its traditional casino gambling base to its current tax haven role.