- 1st March
- 1808 : Establishment of a hereditary nobility in the French Empire.
- 1813 : Signature of a treaty of alliance between King of Prussia and Russia.
- 1814 : Chaumont Treaty between the allies. They claim they are related against France for twenty years.
- 1815 : Napoleon's landing at Golfe-Juan (commune of Vallauris).
- 2 March
- 1796 : Appointment of Bonaparte to the command of the army of Italy.
- 1808 : Caulaincourt, Napoleon's ambassador to Saint Petersburg and the Russian Foreign Minister initiate discussions on dismantling of the Ottoman Empire.
- 1809 : Metternich informs Champagny that the movements of French troops in Germany are considered by Austria as a statement of war.
- 3 March
- 1800 : Closing of the list of emigrants.
- 1809 : Madison succeeds to Jefferson as President of the United States of America.
- 4 March
- 1801 : Start of the Presidency of Thomas Jefferson in the new capital of the United States, Washington.
- 5 March
- 1815 : The French government is informed of the landing of Napoleon.
- 6 March
- 1801 : A British expeditionary force lands in Egypt, under command of General Abercromby.
- 7 March
- 1799 : Taking of Jaffa.
- 1808 : Fontanes becomes Grand Master of the University.
- 1814 : Victory of Craonne.
- 8 March
- 1800 : Creation of the police prefecture of Paris.
- 1801 : The four departments of the left bank of Rhine are united to France.
- 1805 : Representatives of the Italian consult offer the Crown of Italy to Napoleon.
- 9 March
- 1796 : Marriage of Napoleon Bonaparte and Josephine de Beauharnais.
- 1804 : Arrest of Cadoudal.
- 1805 : Napoleon announces to the Senate his intention to accept the Italian crown.
- 1814 : Battle of Laon.
- 2008 : First referencement of the site napoleon-empire.net :)
- 10 March
- 1803 : Regulation of the practice of medicine.
- 1814 : Battle of Laon (end).
- 1815 : Entry of Napoleon at Lyons.
- 11 March
- 1799 : Bonaparte's visit to patient of plague in the hospital of Jaffa.
- 1811 : Taking of Badajoz by Soult.
- 1812 : Riots in Caen.
- 1813 : The Russians enter in Berlin.
- 12 March
- 1807 : Beginning of the siege of Danzig.
- 1814 : Entrance of the Duke of Angouleme into Bordeaux.
- 14 March
- 1800 : Election of new pope, Cardinal Chiaramonti, who takes the name Pius VII.
- 1801 : Resignation of William Pitt, replaced as head of United Kingdom government by Henry Addington.
- 15 March
- 1804 : Arrest of the Duke of Enghien.
- 17 March
- 1805 : Proclamation of Napoleon as King of Italy.
- 1808 : Publication of a decree regulating the exercise of Israelite religion.
- 1813 : Declaration of war by Prussia to France.
- 18 March
- 1801 : Signature of Peace of Florence between the Kingdom of Naples and France.
- 1802 : Exclusion of the main opposition leaders from the Tribunate.
- 1806 : Establishment of employment tribunals.
- 1808 : Insurrection of the Spanish people against the departure of the royal family for America.
- 19 March
- 1797 : Taking of Gradisca.
- 1808 : Abdication of King Charles IV of Spain for his son Ferdinand VII; overthrow of Godoy.
- 1815 : Leakage of Louis XVIII.
- 20 March
- 1800 : Général Kléber wins the battle of Heliopolis
- 1804 : Arrival of the Duke of Enghien in Vincennes and appearance before a military commission.
- 1811 : Birth of Napoleon Francois Charles Joseph Bonaparte, King of Rome.
- 1814 : Battle of Arcis-sur-Aube.
- 1815 : Triumphal arrival of Napoleon in Paris. Constitution of a government.
- 21 March
- 1801 : Meeting of the Duchy of Parma to France. Signature of the Treaty of Aranjuez between France and Spain. Defeat of the French Eastern Army at Canopus.
- 1804 : Execution of the Duke of Enghien. Promulgation of the "Civil Code of the French".
- 1815 : Recent appointments to the government of the Empire: Carnot and Caulaincourt.
- 22 March
- 1813 : Return of the King of Prussia in Berlin.
- 23 March
- 1801 : Murdering of Tsar Paul I.
- 1808 : The French enter in Madrid.
- 1814 : Augereau evacuates Lyon.
- 24 March
- 1803 : The Diet of Regensburg adopts the Recess that changes from top to bottom the political balance of Germany.
- 1808 : The judiciary is "purified" of elements from the Revolution.
- 1813 : The Pope retracts; he denounces the Concordat of Fontainebleau.
- 25 March
- 1802 : Signature of the Treaty of Amiens with England.
- 1815 : The Treaty of Vienna joins the Allies against Napoleon.
- 26 March
- 1812 : Entry of the Prussians in Dresden.
- 27 March
- 1804 : The Senate examines a motion asking Bonaparte to change his authority into an hereditary power.
- 1808 : The provinces of Urbino, Macerata, Ancona and Camerino, which are parts of the Holy See, are united to the Kingdom of Italy. Excommunication of Napoleon.
- 1815 : Cancellation by the State Council of the revocation of Napoleon.
- 28 March
- 1803 : The value of the franc is fixed to five grams of silver.
- 29 March
- 1801 : Signing of a treaty with the kingdom of Naples.
- 1814 : Marie-Louise and the King of Rome leave Paris.
- 1815 : Despite the advice of Napoleon, Murat triggers war against Austria in Italy.