Carl Röchling (1904): Frederick the Great in the battle of Zorndorf before the frontline of the von Bülow regiment. The painting became a widely perceived symbol of the early 20th century ideal of soldiers' heroism The Battle of Zorndorf was a battle fought on August 25, 1758 during the Seven Years' War, fought between the forces of the Russians troops under the command of Count William Fermor – and a Prussian army under King Frederick the Great. The site of the battle was the Prussian village Zorndorf (now Sarbinowo, Poland).
Source: Wikipedia