Battle of Rossbach

The Battle of Rossbach was a decisive military engagement during the Third Silesian War. This conflict was part of the larger Seven Years' War, which lasted from 1756 to 1763. The battle occurred on November 5, 1757, near the village of Rossbach in the Electorate of Saxony. It is often called the Battle of Reichardtswerben because of its proximity to that town. This battle is famous because Frederick the Great, the King of Prussia, defeated a much larger Allied force. His victory is studied today as a strategic masterpiece of movement and speed.

To understand the battle, one must look at the complex political landscape of Europe. The Seven Years' War followed the War of the Austrian Succession. In that earlier war, Prussia gained the province of Silesia. However, Empress Maria Theresa of Austria wanted to regain her power and her lost territories. By 1754, tensions between Britain and France in North America created new opportunities for these European powers. This led to the Diplomatic Revolution, where old alliances shifted. France and Austria joined together to form a coalition. In response, King George II of Britain aligned himself with Frederick of Prussia.

By the summer of 1757, Frederick faced a very dangerous situation on two different fronts. In the east, Russian forces under Field Marshal Stepan Fyodorovich Apraksin besieged the fortress of Memel. After a five-day artillery bombardment, the Russians captured the fortress and invaded East Prussia. This forced Frederick to abandon his campaigns in Bohemia to protect his own territory. Meanwhile, in the west, a combined force of French and Imperial Army troops approached. These troops were led by Prince Soubise and Prince Joseph of Saxe-Hildburghausen. If these Allied forces united with the Austrian army, Prussia would have been in great danger.

Frederick used a specific strategy known as interior lines to respond to these threats. This allowed him to move his army quickly between different points of conflict. To increase his speed, he obtained supplies ahead of time and abandoned his heavy supply wagons. This enabled his army to complete an arduous march in only 13 days. The terrain around the Saale river influenced how the armies moved. The landscape consisted of a wide plateau with sandy and marshy ground. There were also small hills, like the Janus and the Pölzen, which were difficult for horses pulling heavy cannons.

The actual battle was a rapid engagement that lasted only 90 minutes. The Allied army was much larger, totaling 41,110 men. In contrast, Frederick commanded a smaller force of only 22,000 men. The battle began when the Prussian forces surprised the French garrison at Weissenfels. The French troops, under the command of Louis, Duke de Crillon, attempted to withdraw across a bridge over the Saale. They set the wooden bridge on fire to stop the Prussians from following. However, the fire burned so quickly that 630 men were trapped on the wrong side and had to surrender.

Several key elements contributed to the Prussian success. First, the Prussian infantry was highly trained. They could fire between four and five musket volleys every minute. Second, the Prussian artillery was highly effective because it could reposition itself rapidly. This allowed the cannons to respond to changing situations on the battlefield. Third, the Prussian cavalry played a decisive role. Frederick had invested heavily in cavalry training during the eight years between previous wars. This investment paid off during the intense fighting at Rossbach. Frederick managed to cripple an army twice his size while suffering very few casualties.

The consequences of the Battle of Rossbach were significant for the entire war. The victory changed the political and financial landscape of the conflict. Following the defeat, France refused to send more troops against Prussia. Meanwhile, Britain noticed Prussia's military success and increased its financial support for Frederick. The battle also prompted military reforms in both France and Austria. Immediately after the victory, Frederick marched for 13 days to reach the outskirts of Breslau. There, he used similar tactics to defeat a large Austrian army at the Battle of Leuthen.