Frederick the Great Wins at Rossbach
During the Seven Years' War, Prussia under Frederick the Great faced a massive coalition threatening its survival from multiple fronts. In Saxony, a combined French and Holy Roman Empire army of over 41,000 men under Prince Soubise and Prince Joseph of Saxe-Hildburghausen advanced to link with Austrian forces. Frederick, commanding just 22,000 Prussians, used rapid maneuvers and interior lines to intercept them near Rossbach on November 5, 1757. In a brilliant 90-minute engagement, Prussian artillery and cavalry under Seydlitz exploited the enemy's slow deployment in columns, inflicting devastating losses. The Allies suffered thousands of casualties and captures while Prussian losses remained minimal at under 550. Frederick quickly marched east afterward to confront another threat at Leuthen.
Why it matters: Rossbach demonstrated Prussia's tactical superiority and boosted its reputation, encouraging greater British financial support. The victory prevented coalition unification, shifted momentum in the European theater, and prompted military reforms in France and Austria while highlighting Frederick's strategic genius.