The Treaty of Campo Formio (today Campoformido) was signed on 17 October 1797 (26 Vendémiaire VI)[1][2] by Napoleon Bonaparte and Count Philipp von Cobenzl as representatives of the French Republic and the Austrian monarchy, respectively.

The treaty's public articles concerned only France and Austria and called for a Congress of Rastatt to be held to negotiate a final peace for the Holy Roman Empire.

On 18 January 1798, Austrian troops entered Venice, and three days later, they held an official reception at the Doge's Palace, where Ludovico Manin was a guest of honour.

The treaty contained secret clauses signed by Napoleon and representatives of the Holy Roman emperor,[6] which divided up certain other territories, and agreed to the extension of the borders of France up to the Rhine, the Nette, and the Roer.

Napoleon's biographer, Felix Markham, wrote "the partition of Venice was not only a moral blot on the peace settlement but left Austria a foothold in Italy, which could only lead to further war."

By passing Venetian possessions in Greece, such as the Ionian Islands, to French rule, the treaty had an effect on later Greek history neither intended nor expected at the time.