The Great Sortie of Stralsund (Swedish: Stora utfallet från Stralsund) was fought in the Franco-Swedish War (part of the War of the Fourth Coalition) on 1–3 April 1807, in Swedish Pomerania (present-day Germany). A French army under Édouard Mortier invaded Swedish Pomerania in early 1807 and initiated a blockade of the Swedish town of Stralsund, to secure the French rear from enemy attacks. After several smaller sorties and skirmishes around Stralsund, Mortier marched part of his army to support the ongoing Siege of Kolberg, leaving only a smaller force under Charles Louis Dieudonné Grandjean to keep the Swedes at check. The Swedish commander Hans Henric von Essen then commenced a great sortie to push the remaining French forces out of Swedish Pomerania. The French fought bravely on 1 Apri