Battle of Austerlitz
The Battle of Austerlitz, also called the Battle of the Three Emperors, although the Austrian Emperor Francis I was not present on the battlefield, took place on Monday, December 2, 1805, exactly one year after the coronation of Napoleon I as Emperor in Paris. It is one of the most famous battles of the Napoleonic Wars. At Pratzeberg between Brno and Slavkov u Brna in Moravia, Emperor Napoleon I of France defeated an alliance of Austrian and Russian troops.
Tourist info: https://www.visitczechrepublic.com/de-DE/79aa4255-1e66-4cd7-b819-3f8773332d0e/article/n-reenactment-of-the-battle-of-austerlitz