Question: What is the Danish name of the battle for which Prussian participants were given the Düppel Storm Cross?
Sentence (from "Battle of Dybbøl"): The Battle of Dybbøl (Danish: "Slaget ved Dybbøl" ; German: "Erstürmung der Düppeler Schanzen" ) was the key battle of the Second Schleswig War and occurred on the morning of 18 April 1864 following a siege starting on 7 April.
Relevant evidence: Yes