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1st January 1811 – For New Year gifts to Empress Marie-Louise, Napoleon 1st offers her a locket containing her portrait.
1st February 1811 – James Madison, President of the United States of America, commands the British government to cease controlling american ships. – 11 February 1811 – President Madison prohibits trading with Great-Britain.
11 March 1811 – Capture of the city of Badajoz by Marshal Soult. – 12 March 1811 – Marshal Ney defeats the English troops commanded by Arthur Wellesley at Redinha. – 20 March 1811 – In the Tuileries Palace, Paris: birth of Napoleon François Charles Joseph Bonaparte, King of Rome, the son of Napoleon 1 and Marie-Louise.
26 April 1811 – French bishops are summoned to National Council.
7 May 1811 – Start of construction of the Palace of the King of Rome on the hill of Chaillot, in Paris.
9 June 1811 – The King of Rome is christened. – 17 June 1811 – The council opens at Notre-Dame. It is composed of ninety-five prelates, whose forty-two are Italians.
10 July 1811 – Dissolution of the National Council of Bishops by order of Napoleon I. – 27 July 1811 – A million Francs is affected by decree for embellishments of the city of Rome.
19 September 1811 – Departure of Napoleon for Holland. – 30 September 1811 – Empress Marie-Louise joins the Emperor at Antwerp.
18 October 1811 – Creation, in Amsterdam, of the Imperial Order of Reunion; it commemorates the union of Holland and France and replaces the royal order of the Union.
11 November 1811 – Return of Napoleon 1 and Marie-Louise in Saint-Cloud.
19 December 1811 – Closure of hundred and twenty thousands conscripts.