Question: What was the name of the military operation where on June 26, 1941, the leader of the 2nd tank division was killed?
Sentence (from "Battle of Raseiniai"): The battle was fought between the elements of the German 4th Panzer Group (General Erich Hoepner) and the Soviet 3rd Mechanized Corps (Major General Alexey Kurkin) with the 12th Mechanised Corps (Major General Nikolai Shestapolov), in Lithuania, 75 km north-west of Kaunas.
Relevant evidence: No