Battle_of_Prague_(1757)--King_of_Prussia_Frederick_II

In the Battle of Prague or Battle of Štěrboholy, fought on 6 May 1757 during the Third Silesian War (Seven Years' War), Frederick the Great's 64,000 Prussians forced 60,000 Austrians to retreat, but having lost 14,300 men, decided he was not strong enough to attack Prague. The battle is mentioned in the famous German ballad Lenore written in 1773 by Gottfried August Bürger.