page_title: Siege of Hamelin
section_title: Operations
hierarchical_section_title: Siege of Hamelin / Operations
context_page_description: In the Siege of Hamelin or Siege of Hameln, First French Empire forces captured the fortress of Hamelin from its garrison composed of troops from the Kingdom of Prussia. The siege was begun by the VIII Corps under French Marshal Édouard Adolphe Casimir Joseph Mortier. The marshal initially left General of Division Jean-Baptiste Dumonceau in charge of operations. General of Division Anne Jean Marie René Savary soon arrived to conduct negotiations with the Prussian commander General Karl Ludwig von Lecoq, who was quickly persuaded to surrender. Technically, the operation from the War of the Fourth Coalition was a blockade because a formal siege never took place. Hamelin is located 36 kilometers southwest of Hanover.
  After Emperor Napoleon I smashed the main Prussian armies at the Battle of Jena-Auerstedt on 14 October, his victorious Grande Armée chased his enemies across the Elbe River. This left the Prussian force defending the former Electorate of Hanover strategically isolated west of the river. While Napoleon's Grande Armée hunted down Prussian forces between the Elbe and the Oder River, subsidiary forces invaded Hanover and Hesse-Kassel.
context_section_description: On 9 October, Lecoq and Hagken began advancing west in separate columns. The march was slow and on 19 October, the Prussians received news of the catastrophe of Jena-Auerstedt. Lecoq and Hagken immediately fell back on Hamelin, arriving on 23 October. From there, Lecoq set out the next day for the Elbe. Hearing a report that French forces already blocked his path, he halted his march on the 27th and returned to Hamelin where he began acquiring food and supplies to sustain a siege. He sent Oberst (Colonel) Christian Friedrich von der Osten with one dragoon regiment and one infantry battalion across the Elbe, where he joined a part of Blücher's command.
  After hearing of Jena-Auerstedt, General-Major Karl Anton Ernst von Bila left Hanover on 20 October with one battalion, the treasure, and the archives. He managed to get safely across the Elbe but his small force was caught in the French sweep that followed the Capitulation of Stettin. He met his younger brother General-Major Rudolf Ernst Christoph von Bila at Anklam on 31 October, but the next day they and their 2,200 troops surrendered to General of Division Nicolas Léonard Beker's dragoons.
  On 17 October, Napoleon dispatched orders to Louis and Mortier. The King of Holland was supposed to capture Paderborn and Münster, while the marshal was to seize Fulda and come into contact with General of Division Henri Jacques Guillaume Clarke at Erfurt. Once, Louis and Mortier were in position, Napoleon wanted them to converge on Kassel where they would extinguish the state of Hesse-Kassel. Though William I, Elector of Hesse maintained an official neutrality, Napoleon knew that he was hostile to France and decided to depose him.
  Mortier's command, known as the VIII Corps, included General of Division Louis Henri Loison's infantry division. The 5,500-strong formation was composed of three light infantry regiments. On the morning of 1 November, Mortier's force entered Kassel from the south while Louis' troops arrived from the north soon afterward. The Hessian soldiers were disarmed without resistance and the annexation of Hesse was proclaimed. The Elector and his son escaped. Louis left the army pleading sickness on 9 November and Mortier assumed command of their combined forces. On 7 November the first French troops reached the outskirts of Hamelin, while more arrived on the 10th.
caption: Marshal Édouard Mortier
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