- 1st December
- 1799 : Bonaparte rejects the draft constitution presented by Sieyes.
- 1803 : Institution of the worker booklet.
- 2 December
- 1804 : Coronation of Napoleon.
- 1805 : Battle of Austerlitz.
- 1813 : Crossing of the Rhine by the Allies.
- 3 December
- 1800 : Victory of Hohenlinden by Moreau.
- 1801 : Early Anglo-French negotiations at Amiens.
- 4 December
- 1804 : Declaration of War from Spain to England.
- 1808 : Surrender of Madrid. In Spain, the French decide abolition of the feudal rights and of the court the Inquisition, reduction of the number of monasteries, suppression of provincial customs.
- 1813 : Frankfurt Declaration, dated December 1, in which Allies say they do not make war to France but to Napoleon.
- 5 December
- 1812 : The command of the army is entrusted to Murat. Napoleon leaves for Warsaw.
- 6 December
- 1812 : Debacle of the French army. Temperature: -36°C.
- 7 December
- 1807 : Installation of Jerome Bonaparte at Cassel, the capital of the kingdom of Westphalia.
- 8 December
- 1812 : French arrived in Vilna.
- 9 December
- 1813 : Evacuation of Breda by the French.
- 10 December
- 1805 : The news of the victory of Austerlitz arrives in Paris. It ends the banking panic raging there since September 26. The Elector of Bavaria becomes king.
- 11 December
- 1805 : The Elector of Württemberg becomes king. The Baden one refuses and simply becomes grand duke.
- 1806 : The Elector of Saxony signs peace in Poznan and joins the Confederation of the Rhine.
- 12 December
- 1813 : By the Valencay treaty, France recognizes that Ferdinand VII is the King of Spain.
- 13 December
- 1806 : Birth of Charles Leon, the illegitimate son of Napoleon and Eleanor Denuelle de la Plaigne, a maid of honor of Caroline Murat.
- 1807 : First address to the German nation from Fichte. Dispute between Napoleon and his brother Lucien, who refuses to divorce.
- 1812 : Passage of the Niemen by the survivors of the Grand Army.
- 14 December
- 1801 : Departure of the Saint-Domingue expedition under the command of General Leclerc.
- 15 December
- 1799 : Proclamation of the Constitution of Year VIII.
- 1805 : Signature of a treaty of Franco-Prussian alliance.
- 1840 : Back from the ashes of Napoleon.
- 16 December
- 1800 : Establishment of a league of neutrals. It gathers the Russia, the Sweden and the Denmark, then on 18, the Prussia. Their goal is to protect their fleets trade against the English requirements.
- 1809 : Dissolution of marriage of Napoleon and Josephine.
- 1812 : News of the disastrous military campaign in Russia are published in the Monitor.
- 1814 : A new wave of Bonapartist officers is made half-paid under pretext of economy.
- 17 December
- 1793 : Bonaparte is wounded by a bayonet at the siege of Toulon.
- 1811 : Napoleon offers to Austria an alliance against Russia.
- 1814 : The half-pay are placed under house arrest at their place of birth.
- 18 December
- 1812 : The Emperor arrives at the Tuileries, shortly before midnight.
- 1813 : Switzerland declares its neutrality.
- 19 December
- 1793 : Capture of Toulon by the republican armies.
- 20 December
- 1804 : Appointment of David as the first painter to the Emperor.
- 1812 : The remnants of the Great Army arrive in Königsberg.
- 21 December
- 1804 : Cherubini leads the first performance in Paris of the Mozart's Requiem.
- 1813 : Entry of the Allied armies in Switzerland.
- 22 December
- 1793 : Promotion of Napoleon Bonaparte at the rank of General Brigade.
- 1799 : Installation of the State Council.
- 1807 : The United States decreed the embargo on the vessels and French and English productions.
- 23 December
- 1806 : Victory of Napoleon at Czarnowo.
- 24 December
- 1799 : Bonaparte becomes First Consul.
- 1800 : Attack on Rue Saint-Nicaise in Paris: twenty-two dead and fifty-six wounded. Bonaparte is not injured.
- 1803 : Bonaparte's election to the Academy of Arts in New York. His brother Jerome marries Elizabeth Patterson in Baltimore.
- 1811 : The Ambassador of France in Berlin proposes to Prussia an alliance against Russia.
- 25 December
- 1797 : Bonaparte's election to the Institute (Section Arts mechanical).
- 1800 : Signing of the armistice of Steyr with the Austrians.
- 26 December
- 1802 : A decree ensures to the catholic priests a treatment of five hundred francs per year.
- 1805 : Peace Treaty of Pressburg. End of the Holy Roman Empire.
- 1806 : Triple French victory at Soldau, Golymin and Pultusk.
- 27 December
- 1799 : Installing the Senate.
- 1806 : The French army moved for the winter Pultusk.
- 28 December
- 1805 : The General Council of the department of the Seine decides to establish a place Austerlitz and to erect a statue of the Emperor.
- 29 December
- 1808 : Defeat and capture of Lefebvre Desnouettes in Benavente.
- 1809 : Annexation to the empire of the Illyrian provinces (Dalmatia).
- 30 December
- 1805 : Napoleon accepts the nickname of "Great" proposed by the Tribunes.
- 1813 : Occupation of Geneva by the Austrians.
- 1814 : Promotion of generals. They are all former emigrants Vendee or Chouans.
- 31 December
- 1805 : Last day of the revolutionary calendar.
- 1810 : End of the Franco-Russian alliance.
- 1813 : Adjournment of the Legislature.
