General Kellerman at the Battle of Valmy

The Battle of Valmy (20 September 1792) was fought between the Prussian army, commanded by the Duke of Brunswick, and the troops of Revolutionary France, led by Generals Kellermann and Dumouriez. At the end of the battle, the Prussian army abandoned its offensive and retreated. At the end of the battle, the Prussian army abandoned its offensive and retreated.
This was a significant episode in the history of the French Revolution and the first decisive victory for the French army, which until then had suffered mostly defeats. The very next day, the National Convention, elected during the summer, met to proclaim the establishment of the Republic.