The Ulm Campaign (25 September to 20 October 1805) was a military operation during the War of the Third Coalition (1805-1806). Through a series of maneuvers, the 210,000 men of the French Grande Armée, led by Emperor Napoleon I, encircled an Austrian army under General Karl Mack von Leiberich in the city of Ulm. #History #FirstFrenchEmpire #GrandeArmee #NapoleonBonaparte #HistoryFacts https://www.worldhistory.org/article/2249/ulm-campaign/