1805 in France

Events from the year 1805 in France.

Incumbents

 * Emperor – Napoleon I

Events

 * 22 July - Battle of Cape Finisterre, British defeat of Franco-Spanish fleet.
 * 8 October - Battle of Wertingen, French victory over Austrian forces, opening battle of the Ulm Campaign.
 * 11 October - Battle of Haslach-Jungingen, French victory over Austrian forces.
 * 14 October - Battle of Elchingen, French victory over Austria.
 * 16–19 October - Battle of Ulm, decisive French victory culminating in the surrender of an entire Austrian army.
 * 21 October - Battle of Trafalgar, decisive British victory over French and Spanish Navies.
 * 23 October - On the early death of her husband, François, Madame Clicquot Ponsardin takes over his champagne house as Veuve Clicquot.
 * 30 October - Battle of Caldiero, French victory over Austrian forces.
 * 31 October - Sweden declares war on France.
 * 3 November - Battle of Cape Ortegal, decisive British victory, the final action of the Trafalgar campaign.
 * 5 November - Battle of Amstetten, French victory over forces of Austria and Russia.
 * 11 November - Battle of Dürenstein, between French, Austrian and Russian forces had an inconclusive result.
 * 16 November - Battle of Schöngrabern, French tactical victory.
 * 2 December - Battle of Austerlitz, decisive French victory, effectively destroying the Third Coalition.
 * 4 December - Truce signed between France and Austria.
 * 26 December - Peace of Pressburg signed between France and Austria, as a consequence of the Austrian defeats by France.
 * 31 December - The French Republican calendar is used for the last time, 8 days after being annulled by Napoleon with effect from 1 January 1806, the final official date being "9 Nivôse in Year XIV of the Revolution". This year also he has ordered his soldiers to be vaccinated.
 * Pernod Fils founded in Pontarlier, Franche-Comté, by Henri-Louis Pernod and starts the production of the anise-flavored liquor known as absinthe.

Births

 * 15 January - Louise Bertin, composer (died 1877)
 * 10 March - Auguste Joseph Alphonse Gratry, author and theologian (died 1872)
 * 29 May - Paul-Martin Gallocher de Lagalisserie, engineer (died 1871)
 * 3 June - Adolphe Dugléré, chef (died 1884)
 * 13 June - Bénilde Romançon, saint (died 1862)
 * 19 June - Mathieu-Richard-Auguste Henrion, magistrate, historian and journalist (died 1862)
 * 28 June - Napoléon Coste, guitarist and composer (died 1883)
 * 29 July - Alexis de Tocqueville, political thinker and historian (died 1859)
 * 19 August - Jules Barthélemy-Saint-Hilaire, philosopher, journalist and statesman (died 1895)
 * 24 August - Jean-Jacques Meyer, steam locomotive engineer (died 1877)
 * 24 October - Jean-Baptiste Pallegoix, vicar apostolic of Eastern Siam (died 1862)
 * 19 November - Ferdinand de Lesseps, developer of the Suez Canal (died 1894)
 * 19 November - Édouard Drouyn de Lhuys, statesman and diplomat (died 1881)
 * 16 December - Isidore Geoffroy Saint-Hilaire, zoologist (died 1861)
 * 31 December - Marie d'Agoult, author, pen name Daniel Stern (died 1876)

Deaths

 * 17 January - Abraham Hyacinthe Anquetil-Duperron, orientalist (born 1731)
 * 23 January - Claude Chappe, inventor (born 1763)
 * 4 March - Jean-Baptiste Greuze, painter (born 1725)
 * 18 March - Étienne Eustache Bruix, sailor (born 1759)
 * 19 June - Louis-Jean-François Lagrenée, painter (born 1724)
 * 2 October - Georges René Le Peley de Pléville admiral and Naval Minister (born 1726)
 * 8 November - François-Thomas-Marie de Baculard d'Arnaud, writer and dramatist (born 1718)
 * 24 November - Jacques Antoine Marie de Cazalès, orator and politician (born 1758)
 * 1 December - Joseph Bernard de Chabert, sailor, geographer and astronomer (born 1724)

Full date unknown

 * Gabrielle Gauchat, French memoir writer (born 1767)
 * Pierre-François Hugues d'Hancarville, "baron" and art historian, in Italy (born 1719)