Births on April 23

Johann Karl Friedrich Rosenkranz, German philosopher and academic (d. 1879)

Johann Karl Friedrich Rosenkranz (April 23, 1805 – July 14, 1879) was a German philosopher and pedagogue.

7 Apr

Symphony No. 3 (Beethoven)
German composer Ludwig van Beethoven premiered his Third Symphony, at the Theater an der Wien in Vienna.
21 Oct

Battle of Trafalgar
Napoleonic Wars: Battle of Trafalgar: A British fleet led by Vice Admiral Lord Nelson defeats a combined French and Spanish fleet under Admiral Villeneuve.
1 Nov

War of the Third Coalition
Napoleon Bonaparte invades Austria during the War of the Third Coalition.
11 Nov

Battle of Dürenstein
Napoleonic Wars: Battle of Dürenstein: Eight thousand French troops attempt to slow the retreat of a vastly superior Russian and Austrian force.
2 Dec

Battle of Austerlitz
War of the Third Coalition: Battle of Austerlitz: French troops under Napoleon Bonaparte decisively defeat a joint Russo-Austrian force.