I’d say 1849. Napoleon III was just a parody of Napoleon.

Napoleon: Frenchman with an italian accent

Napoleon III: Frenchman with a swiss accent

Napoleon: Leads 50,000 professional soldiers to Egypt, many of whom die to attrition and assaults cities, then quietly sails back to France.

Napoleon III: Leads 50 dudes to France, whom immediately surrender upon meeting actual soldiers, then quietly walks back to Switzerland.

Napoleon: Returns from exile on a desolate rock, entire army defects to him

Napoleon III: Returns from exile in England. Is arrested by customs agents at Boulogne.

Napoleon: News of his return causes all of europe to band together to stop him.

Napoleon III: News of his return is widely mocked.

Napoleon: Leads coup with popular support

Napoleon III: Gets elected because people see “Napoleon” on the ballot.

Napoleon: Makes brother king of Spanish America. Independence movements ensue.

Napoleon III: Makes some german guy king of Mexico. Leaves, guy is immediately executed.

Napoleon: Wins 5 coalition wars, abolishes the Holy Roman Empire.

Napoleon III: Gets wrecked by Germany.