Hohenzollern Redoubt - Credit: Wikimedia Commons
The Hohenzollern Redoubt () was a strongpoint of the German 6th Army on the Western Front during the First World War, at Auchy-les-Mines near Loos-en-Gohelle in the Nord-Pas-de-Calais region of France. Named after the House of Hohenzollern, the redoubt was fought for by German and British forces. Engagements took place from the Battle of Loos to the beginning of the Battle of the Somme on 1 July 1916, including the action of the Hohenzollern Redoubt in 1915 and the British Attack at the Hohenzollern Redoubt from 2 to 18 March 1916. Read more on Wikipedia
Source: en.wikipedia.org