Napoleon captured and occupied Monaco

In the turbulent years of the French Revolution, many small states across Europe lost their independence. One of them was the tiny but historic Principality of Monaco. In 1793, Napoleon captured and occupied Monaco, bringing an end, albeit temporarily, to centuries of Grimaldi rule. This occupation reshaped the political future of the Rock and tied Monaco’s fate to the rise of revolutionary France.

Napoleon captured and occupied Monaco

The End of Sovereignty

Before the French arrived, Monaco had been ruled by the Grimaldi family since the late 13th century. Though small, the principality held symbolic importance due to its location along the Mediterranean and its deep-rooted noble lineage. However, as revolutionary ideas spread across France, nearby territories like Monaco came under pressure.

In January 1793, French revolutionary forces annexed Monaco. They abolished the monarchy, seized church property, and declared the region part of the Alpes-Maritimes département of France. The Grimaldi prince at the time, Honoré III, was arrested and taken to France.

Monaco Under French Control

Once Napoleon captured and occupied Monaco, the principality was transformed into a municipality within the French Republic. The palace lost its royal function and was repurposed for administrative use. French laws replaced local customs, and the revolutionary calendar and civil code were imposed. While the occupation brought modernization in some areas, it also erased centuries of local tradition and sovereignty.

The Return of the Grimaldis

Napoleon’s rule would not last forever. After his final defeat in 1815, the Congress of Vienna restored many old monarchies across Europe. That same year, the Grimaldi family returned to power in Monaco under Prince Honoré IV, though the principality would remain under Sardinian protection until the mid-19th century.

A Brief but Defining Moment

Though brief, the period when Napoleon captured and occupied Monaco marked a turning point in the principality’s history. It showed how even the smallest states could be swept into the storm of revolution—and how resilience and diplomacy would later restore Monaco’s independence.