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Charles III of Monaco

Prince of Monaco from 1856 to 1889

  • 3 min read
  • 6 chapters

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Through Belgium

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.

The Principality was in dire need of cash flow, so Prince Charles and his mother, Princess Caroline, had the idea of erecting a casino. The Monte Carlo Casino was designed, according to the Prince's liking, in the German style and placed at the site of Les Spélugues. Monte Carlo (in English, Mount Charles) itself takes its name from Charles, after all its founder. Charles established a society (business) to run the Casino; this society is today the Société des bains de mer de Monaco.

Under Charles III, the Principality of Monaco increased its diplomatic activities; for example, in 1864, Charles III concluded a Treaty of Friendship with the Bey of Tunis, Muhammad III as-Sadiq, which also regulated trade and maritime issues.

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