For 10 points, name this site of a decisive Soviet victory during World War II, a city now known as Volgograd.
During a battle for this city, LI Corps commander General Seydlitz-Kurzbach was relieved of command after telling his subordinates that they could surrender, then personally surrendered himself. Operation Koltso was the final phase of a battle in this city. Two weeks after a surrender in this city, the Sportpalast speech declared that the country must accept total war. In a battle for this city, Operation (*) Uranus resulted in the encirclement of the German Sixth Army under field marshal Friedrich Paulus, which Adolf Hitler then ordered to be supplied from the air. From August 1942 to February 1943, this city was the site of a battle often credited as the bloodiest in the history of warfare. For 10 points, name this site of a decisive Soviet victory during World War II, a city now known as Volgograd.
During a battle for this city, LI Corps commander General Seydlitz-Kurzbach was relieved of command after telling his subordinates that they could surrender, then personally surrendered himself.
Stalingrad [accept Volgograd before "Volgograd"]