Task: Text Categorization
Input (English): This man's biggest defeat occurred days after his enemies arrived just in time to prevent Sangiban from turning traitor and opening the gates of Orlans to him. In that battle, this man allied himself with Walamir and was opposed by Theodoric and Flavius Aetius. After the Battle of (*) Chalons, this leader was convinced to retreat after meeting at Mantua with Pope Leo I. On the night of his wedding to Ildico, he died of a nosebleed. For 10 points, name this ""Scourge of God"" and leader of the Huns.
Output (English): History