In France in 1852, voters were asked whether they approved of the re-establishment of the Empire in the person of Louis Napoléon Bonaparte,  the only president of what republic?
French Second Empire referendum, 1852 A referendum on re-establishing the Empire was held in France on 21 and 22 November 1852. Voters were asked whether they approved of the re-establishment of the Empire in the person of Louis Napoléon Bonaparte and family. It was approved by 96.9% of voters with a 79.8% turnout.
Treaty of Campo Formio The Treaty of Campo Formio (today Campoformido) was signed on 18 October 1797 (27 Vendémiaire VI) by Napoleon Bonaparte and Count Philipp von Cobenzl as representatives of the French Republic and the Austrian monarchy, respectively. The treaty followed the armistice of Leoben (18 April 1797), which had been forced on the Habsburgs by Napoleon's victorious campaign in Italy. It definitively ended the War of the First Coalition and left Great Britain fighting alone against revolutionary France.