Battle of Fort Ében-Émael

The Battle of Fort Ében-Émael was a battle between Belgian and German forces that took place between 10 May and 11 May 1940, and was part of the Battle of Belgium and Fall Gelb, the German invasion of the Low Countries and France. An assault force of German paratroopers, Fallschirmjäger, was tasked with assaulting and capturing Fort Ében-Émael, a Belgian fortress whose strategic position and strong artillery emplacements dominated several important bridges over the Albert Canal.

Source: Wikipedia — Battle of Fort Ében-Émael (CC BY-SA 4.0)