The Battle of Leipzig, also known as the Battle of the Nations, was fought from 16 to 19 October 1813 at Leipzig, Saxony. The Coalition armies of Austria, Prussia, Sweden, and Russia, led by Tsar Alexander I and Karl von Schwarzenberg, decisively defeated the Grande Armée of French Emperor Napoleon Bonaparte. Napoleon's army also contained Polish and Italian troops, as well as Germans from the Confederation of the Rhine. The battle was the culmination of the German Campaign of 1813 and involved 560,000 soldiers, 2,200 artillery pieces, the expenditure of 400,000 rounds of artillery ammunition, and 133,000 casualties, making it the largest battle of the Napoleonic Wars, and the largest battle in Europe prior to World War I.

Karl Philipp, Fürst zu Schwarzenberg was an Austrian Generalissimo and former Field Marshal. He first entered military service in 1788 and fought against the Turks. During the French Revolutionary War, he fought on the allied side against France and in that period rose through the ranks of the Imperial Army. During the Napoleonic Wars, he fought in the Battle of Wagram (1809), which the Austrians lost decisively against Napoleon. He had to fight for Napoleon in the Battle of Gorodechno (1812) against the Russians and won. During the War of the Sixth Coalition, he was in command of the allied army that decisively defeated Napoleon in the Battle of Leipzig (1813). He participated in the Battle of Paris (1814), which forced Napoleon to abdicate.