Deaths on February 9

Jean François de Saint-Lambert, French soldier, poet, and philosopher (b. 1716)

Jean François de Saint-Lambert (26 December 1716 – 9 February 1803) was a French poet, philosopher and military officer.

18 May

Treaty of Amiens
Napoleonic Wars: The United Kingdom revokes the Treaty of Amiens and declares war on France.
23 Sep

Battle of Assaye
Second Anglo-Maratha War: Battle of Assaye between the British East India Company and the Maratha Empire in India.
20 Oct

Louisiana Purchase
The United States Senate ratifies the Louisiana Purchase.