The Battle of Stalingrad (23 August 1942 – 2 February 1943) was the deadliest battle to take place during the Second World War and is one of the bloodiest battles in the history of warfare, with an estimated 2 million total casualties. 
Soviet Union fought the German for control of the city of Stalingrad in Southern Russia. The battle was marked by fierce close-quarters combat. 
This diorama captured the time while the German finally occupied the center of the city, but then faced heavy counter attack by the Red army surrounding Stalingrad.