May: France sells Louisiana to United States.
16 May: Britain declares war on France.
1 June: French forces occupy Hannover.
9 October: Franco-Spanish alliance signed.
29 November: Battle of Argaum.
February: Cadoudal plot discovered.
19 & 28 February: Arrests of generals Moreau
21 March: Kidnap and execution of Duc d'Enghien.
24 March: Civil Code introduced.
18 May: Napoleon Bonaparte
19 May: Creation of the Marshalate.
2 December: Bonaparte's coronation.
14 December: Spain declares war on Britain.
11 April: Alliance between Russia and Britain.
26 May: Bonaparte crowns himself King of Italy.
4 June: France annexes Genoa.
7 June: Eugene Beauharnais
made Viceroy of Italy.
9 August: Austria joins Third Coalition.
10 September: Austria invades Bavaria.
17 October: Convention of Ulm.
20 October: Austrians surrender Ulm.
21 October: Battle of Trafalgar.
28-31 October: Second battle of Caldiero.
3 November: Treaty of Potsdam.
8 November: Battle of Maria Zell.
14 November: Bonaparte enters Vienna.
16 November: Battle of Hollabrunn.
2 December: Battle of Austerlitz.
26 December: Peace of Pressburg.