<bos><start_of_turn>system
You are a helpful AI assistant.
lista de codigos linguisticos disponibles: ["en", "en"].<end_of_turn>
<start_of_turn>user
What important event is this text about?: On November 19, Operation Uranus was unleashed. The Soviets had been placing troops on both sides of Stalingrad, forming a pincer around the city. On November 23, that pincer closed on Stalingrad, trapping three hundred thousand Reich soldiers. At the same time, Operation Mars attempted to trap more German soldiers in Smolensk, but failed.<end_of_turn>
<start_of_turn>model
The text is about Operation Uranus, during the Battle of Stalingrad, in World War II, Soviet forces surrounded and trapped a large number of German soldiers in the city of Stalingrad.<end_of_turn><eos>