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Charles III, Prince of Monaco

1818 – 1889

Prince of Monaco and Duke of Valentinois from 1856

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About Charles III, Prince of Monaco

Lived 1818 – 1889 (aged 70). Charles III, Prince of Monaco was a French and Monegasque politician.

Charles III (Charles Honoré Grimaldi; 8 December 1818 – 10 September 1889) was Prince of Monaco and Duke of Valentinois from 20 June 1856 to his death. He was the founder of the famous casino in Monte Carlo, as his name in Monegasque and Italian was Carlo III. He was born in Paris, the only son of Florestan, Prince of Monaco, and Caroline Gibert de Lametz.

Marriage and reign

While he was Hereditary Prince, Charles was married on 28 September 1846 in Brussels to Countess Antoinette de Mérode-Westerloo.

He succeeded his father Prince Florestan in 1856.

During his reign, the towns of Menton and Roquebrune, constituting some 80 percent of Monegasque territory, were formally ceded to France, paving the way for formal French recognition of Monaco's independence. Rebellions in these towns, aided by the Kingdom of Sardinia, had exhausted Monaco's military resources for decades. so Prince Charles and his mother, Princess Caroline, had the idea of erecting a casino. Charles established a society (business) to run the Casino; this society is today the Société des bains de mer de Monaco.

Honours Monte Carlo is named after Charles III. It stands for the "Mount Charles" in Italian.

The Order of Saint-Charles was instituted on 15 March 1858, during the reign of Prince Charles III.

50px Grand Cross of the Royal Hungarian Order of St. Stephen, 1882 (Austria-Hungary)

Death In his middle years his sight greatly weakened, and by the last decade of his life he had become almost totally blind. In fact, Dr. Thomas Henry Pickering wrote in 1882: "So far back as 1860, Prince Charles lost his eyesight".

In literature Charles III is referenced, as Prince Charles Honoré, in a fictional entitled, The Fall of Prince Florestan of Monaco, by the British politician Sir Charles Wentworth Dilke. This work was one of satire and parody on a number of political characters of the day. It centered around a Cambridge-educated, half-Württemberg nephew of Charles III who comes to the throne by way of Charles III and the next two heirs being wiped out of existence. The upstart "Florestan II", a radical republican, boldly attempts to democratize Monaco. He fails and then is forced to leave the country.

Ancestry

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Important facts

Birth century
Occupation
Nationality
Positions held
Prince of Monaco
Awards
Supreme Order of Christ; Grand Cross of the Order of Charles III; Grand Cross of the Dannebrogorder with pectoral star in diamonds
Also known as
Sixto Vilicich, Charles Honoré Grimaldi, Charles Honore Grimaldi, Charles III

People in Charles III, Prince of Monaco's life

Named in this biography and alive at the same time

Contemporaries

People whose lives overlapped Charles III, Prince of Monaco's

Frequently asked questions

Who was Charles III, Prince of Monaco?

Prince of Monaco and Duke of Valentinois from 1856

When was Charles III, Prince of Monaco born?

Charles III, Prince of Monaco was born on 8 December 1818 in Paris.

When did Charles III, Prince of Monaco die?

Charles III, Prince of Monaco died on 10 September 1889 in Marchais.

What was Charles III, Prince of Monaco's occupation?

Charles III, Prince of Monaco was a politician.

What nationality was Charles III, Prince of Monaco?

Charles III, Prince of Monaco was French and Monegasque.

Sources & further reading

· Wikipedia: Charles III, Prince of Monaco

· Wikidata: Q382433

· DBpedia: Charles III of Monaco

Cite this page

APA: Biography.guide. (2026). Charles III, Prince of Monaco. https://biography.guide/charles-iii-prince-of-monaco/

MLA: "Charles III, Prince of Monaco." Biography.guide, https://biography.guide/charles-iii-prince-of-monaco/.

Chicago: "Charles III, Prince of Monaco." Biography.guide. https://biography.guide/charles-iii-prince-of-monaco/.

Data last updated: 2026-09-20 · Spot an error? Report a correction.

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