1st January – Mass in the chapel of the Tuileries in the presence of the Emperor. Then New Year wishes from the main bodies of the State, marshals, ministers, dignitaries and princes. – 4 January – A Denis, supposedly a lawyer, is arrested, "accused of holding about the most indecent cons S. M. the Emperor and have pushed up the fury advise a woman to take his own life." – 5 January – Police report: "We celebrated Kings in almost all families, the people and the workers were common in taverns." – 6 January – Ball in the Opera Hall, organized by the marshals for Empress Josephine. It will cost twenty thousand Francs to each of them. – 7 January – At the Sstock Exchange: "The cases were languishing, and the five percent appeared tilted downward, it appears no takers". – 14 January – A statue of Napoleon 1 is inaugurated in the Chamber of Legislature.– 17 January – Sixty thousand conscripts are removed. – 19 January – Increase of the price of the bag determined by the coal merchants: it now will be worth 7 Francs instead of 6.25 Francs. – 20 January – Those who have applied the new prices are agreed "as instigators and leaders of coalition". Cancellation of the increase. – 21 January – Celebrating of the anniversary of the death of Louis XVI at the former Duke of Narbonne's; assistance in mourning, is large. – 26 January – It is decided that the state seal will bear the effigy of the Emperor sat on his throne, the crown on the head. The other side will show the Imperial Eagle based on the lightning. – 28 January – A novel by Jerome Pigott-Lebrun, containing "licentious jokes about the ceremonies of the Christian religion" is forbidden. – 30 January – Creation of the Grand Cordon of the Legion of Honor.
2nd February – Appointment of Forty-eight large columns of the Legion of Honor. There are the brothers of the Emperor, marshals, ministers (including Charles-Maurice de Talleyrand-Perigord and Joseph Fouché), Cardinals Fesch (archbishop of Lyon), Cambacérès (Archbishop of Rouen) and Belloy (archbishop of Paris). – 4 February – A decree signed by Napoleon 1 establishes the numbering of houses per street. Even numbers are right and the odd left over in the river Seine. – 22 February – It is ordered to the prefect of police to check the masquerades and "we can stop running the streets in clerical dress". – 23 February – It's Fat-Beef day, continuing on 24 and 25.
9 March – A "press office" is created. It has to monitor newspapers, plays, printing and library. – 15 March – Napoleon 1 is given the title of King of Italy by the Italian Consulta meeting in Paris.
18 March – Napoleon's sister Eliza gets from him, in any property, the principality of Piombino. – 26 March – A collection of four million Francs is made from the fund of Disabled persons, "which is rich and is constantly making considerable savings". They will be used for construction of warships as well as improvements in ports. – 28 March – From that day the permission of the diocesan bishops will be required to print or reprint of religious books. This permission will be reported verbatim and printed at the beginning of each copy. – 30 March – Exhibition in the gallery of the Senate of the portrait of Napoleon 1 painted by Jacques-Louis David. – 31 March – Departure of Napoleon for Italy.
15 May – Napoleon 1 arrives in Milan. – 26 May – Crowning at the Cathedral of Milan.
4 June – Annexation to France of Genoa and Liguria. – 7 June – The boundaries between the French Empire and the Kingdom of Italy are set by decree: the river Po to the mouth of the Ticino, then the Sesia to its mouth. Appointment of Prince Eugene de Beauharnais as Viceroy of Italy. He is the step-son of Napoleon.
11 July – Back at Fontainebleau. – 14 July – Neither ceremony or event for the anniversary of the storming of the Bastille. – 15 July – The Journal of Debates becomes Journal of the Empire, "more consistent with the nature of our government," says the editor.
2nd August – Departure of Napoleon 1 for the camp of Boulogne. – 9 August – Accession of Austria to the Anglo-Russian pact. – 27 August – The camp of Boulogne is lifted. One hundred and fifty thousand men go from the Channel coast to the Rhine.
3rd September – Back in St. Cloud. Publication of a manifesto hostile to France, by the Emperor of Austria. – 9 September – Restoration of Gregorian calendar by Senatus Consultum; it will take effect on 11 Nivose year XIV (1st January 1806). – 10 September – Entry of the Austrians in Bavaria. – 16 September – The Ambassador of Austria publishes a paper stating that the troops of his sovereign will remain in this country. – 21 September – Commitment to neutrality of the King of Naples in case of war between France and Austria. – 23 September – Announcement at the Senate of break with Austria. The sixty thousand men of the class 1806 are called early. – 24 September – Napoleon 1 begins to head the army. – 25 September – Passage of the river Rhine by French troops. – 25 September – Financial panic in Paris. – 28 September – Meeting of the Bavarian army and the French army. Horatio Nelson takes command of the English fleet by the blockade of Cadiz.
6 October – The campaign opens. The French army, reinforced by the Bavarians and the Netherlands, takes the name of Grand Army (Grande Armée). – 7 October – The river Danube is crossed. – 8 October – French victory at Westingen. – 9 October – New victory at Guntzburg. – 10 October – French army enters Augsburg. – 11 October – The French are in Munich. – 13 October – Presentation of Meiningen. – 14 October – Battle of Elchingen. – 15 October – Fights of Haag and Wasserburg. – 16 October – Summation from Napoleon to General Mack: the city of Ulm must surrender. – 17 October – Surrender of Ulm. – 18 October – Battle of Nordlingen. Forty flags are captured from the enemy and sent to the Senate. – 20 October – Procession of the Austrian prisoners before Napoleon 1. – 21 October – Naval battle of Trafalgar. – 28 October – A case of contributions or extraordinary is created. It is intended for war contributions paid by the defeated countries. – 30 October – French army enters Salzburg.
1st November – Fight of Lembach. – 2nd November – Fort Passling is taken. – 3rd November – Taking of Ebersberg. – 4 November – Taking of Steyr. – 5 November – Battle of Lovers and passage of the river Brenta. – 6 November – Battle of Amstetten. – 7 November – Coming in Innsbruck. – 8 November – Fight of Marien-Zelle. – 9 November – Taking of Scharnitz and Neustadt. – 11 November – Fight of Diernstein. – 12 November – Taking of Leoben. – 13 November – The French enter Vienna. Schoenbrunn Palace becomes the residence of Napoleon 1. – 16 November – Surrender of the city of Pressburg to marshal Augereau. – 18 November – Joachim Murat seizes Brunn. – 28 November – The Emperor studies the plain that will become the battlefield of Austerlitz.
2nd December – Battle of Austerlitz: fortieth victory of Napoleon for the first anniversary of his coronation. – 4 December – Meeting between Napoleon 1 and the Emperor of Austria. – 6 December – The armistice is signed. – 26 December – Peace Treaty of Pressburg is signed; it is the end of the Holy Roman Empire. – 28 December – Decision is taken by the General Council of the Department of Seine to establish a place of Austerlitz and to erect a statue of the Emperor. – 30 December – Napoleon accepts the nickname "Great" that suggested the Tribunes.