February 28th.—Sixth Continental Coalition against France. Treaty signed between Russia and Prussia at Kalisch.
March 3rd.—New treaty between England and Sweden at Stockholm: Sweden to receive a subsidy of a million sterling and the island of Guadaloupe in return for supporting the Coalition with 30,000 men.
March 4th.—Cossacks occupy Berlin. Madison inaugurated President U.S.A.
March 9th.—Eugène removes his headquarters to Leipsic.
March 12th.—French evacuate Hamburg.
March 21st.—Russians and Prussians take new town of Dresden.
April 1st.—France declares war on Prussia.
April 10th.—Death of Lagrange, mathematician; greatly bemoaned by Napoleon, who considered his death as a "presentiment" (D'Abrantès).
April 14th.—Swedish army lands in Germany.
April 15th.—Napoleon leaves Paris; arrives Erfurt (April 25th). Americans take Mobile.