- 1st October
- 1800 : Signature of the Franco-Spanish Treaty of San Ildefonso.
- 1801 : Signature of the preliminaries of peace between England and France, represented by Otto.
- 1803 : Institution of the worker booklet.
- 1806 : Prussian ultimatum requiring that French troops leave Germany.
- 1808 : Goethe's first visit to Napoleon.
- 2 October
- 1808 : Goethe's second visit to Napoleon.
- 1813 : Blücher passes the Elbe at Wartenburg.
- 3 October
- 1813 : Fouche leaves the Illyria invaded by the Austrians.
- 4 October
- 1802 : The National Guard is giving way to a Custody Municipal.
- 5 October
- 1795 : Repression of the royalist insurrection of 13 Vendemiaire.
- 1804 : The English fleet captures several Spanish vessels, without any declaration of war.
- 6 October
- 1805 : The French army is called the Grand Army.
- 7 October
- 1805 : The French army crosses the Danube and marches on Vienna.
- 8 October
- 1796 : Proclamation of Independence of the states of the Duke of Modena.
- 1801 : Conclusion of a Treaty of Peace between the French Republic and the Emperor of Russia.
- 1813 : Defection of Bavaria, which joins the coalition in the Treaty of Ried.
- 9 October
- 1801 : Order for future drilling of the streets of Castiglione, of the Pyramids and of Rivoli.
- 10 October
- 1800 : Failed attempt to assassinate Bonaparte organized by the sculptor Ceracchi.
- 1806 : Battle of Saalfeld. Death of Prince Louis of Prussia.
- 1813 : Victory of Napoleon over Blücher at Düben.
- 11 October
- 1805 : The French come to Munich.
- 12 October
- 1808 : Signing of an agreement renewing the alliance between the two emperors of France and of Russia.
- 13 October
- 1809 : Attempted assassination of Napoleon by Staps at Schoenbrunn.
- 1812 : First snow in Moscow.
- 1814 : Talleyrand presents at the Congress of Vienna a project to deport Napoleon to the Azores, the Caribbean or Sainte-Helene.
- 14 October
- 1805 : Fight of Elchingen.
- 1806 : Battle of Jena-Auerstadt.
- 1809 : The 1809 campaign ends with the Treaty of Peace of Vienna.
- 15 October
- 1812 : Decree of Moscow, reorganizing the French Comedie.
- 16 October
- 1795 : Bonaparte is promoted to the rank of major general.
- 1813 : Battle of Leipzig.
- 1815 : Arrival at Saint-Helena.
- 17 October
- 1797 : A peace treaty is signed at Campo Formio.
- 1807 : Entering of the French army in Spain.
- 1809 : Execution of Friedrich Staps, guilty of attempting to murder Napoleon.
- 1813 : Battle of Leipzig (continued).
- 18 October
- 1805 : Taken of Verona by Massena, occupation of Ancona by Gouvion Saint-Cyr.
- 1813 : Battle of Leipzig (end). Defection of the Saxon army.
- 19 October
- 1805 : Capitulation of Ulm.
- 1812 : Beginning of the retreat from Russia.
- 20 October
- 1800 : A decree deletes forty-eight thousand individuals from the list of emigrants.
- 1802 : A note from Talleyrand threatens England of another war if Malta is not evacuated. Bourrienne, the Secretary of Bonaparte is revoked because of fraud.
- 1805 : The prisonner Austrian army walks in procession in front of Napoleon.
- 21 October
- 1798 : Revolt of Cairo.
- 1805 : Naval Battle of Trafalgar. Death of Nelson.
- 22 October
- 1807 : Conclusion of a secret alliance between Portugal and England.
- 1808 : A decree substitutes the words "French Empire" to "French Republic" on coins.
- 1812 : Given the heroic resistance of General Dubreton and its 1 800 men, Wellington raises the siege of Burgos.
- 23 October
- 1812 : In Paris, an attempted coup d'Etat of General Malet fails.
- 24 October
- 1801 : General Leclerc is appointed head of the expedition to San Domingo, designed to recover Island.
- 1812 : Battle of Maloyaroslavets.
- 25 October
- 1811 : Capitulation of the city of Sagunto, facing Suchet.
- 26 October
- 1795 : Appointment of Bonaparte to command the Army of the Interior.
- 1797 : Ratification of the Treaty of Campo Formio by the Directory.
- 1803 : Marriage of Lucien Bonaparte, who will cause his quarrel with Napoleon.
- 1811 : French defeat in front of an Anglo-Spanish army in Arroyo Molinos.
- 27 October
- 1797 : Bonaparte is appointed as plenipotentiary at the Congress of Radstadt.
- 1806 : Napoleon enters Berlin.
- 1807 : Sharing of Portugal between France and Spain, by the secret Treaty of Fontainebleau.
- 28 October
- 1785 : Bonaparte's appointment as second lieutenant.
- 1793 : Bonaparte is promoted to the rank of chief of batallion.
- 29 October
- 1812 : Execution of Malet and his accomplices.
- 30 October
- 1805 : Massena's victory on the Archduke Charles at Caldiero.
- 1807 : Alliance between France and Denmark.
- 1813 : The Grand Army retired defeats the Bavarians at Hanau.
- 31 October
- 1808 : Victory of Lefebvre in Durango.
- 1813 : Prince Eugene and General Grenier defeat the Austrians at Bassano.
