Task: Text Categorization
Input (English): This ruler's armies conquered the Zan people of Georgia but suffered losses to a group led by Totila. His forces engaged Gelimer's in the Vandalic War, and a namesake plague during his reign forced him to cancel many of his public works projects. The Chalke and the Baths of Zeuxippus were damaged during his reign after the Blues and Greens united, forcing him to remove Tribonian from office. That mob in the Hippodrome was crushed by his general Belisarius. For 10 points, name this Byzantine emperor who survived the Nika riots, instituted a namesake law code, and reconquered parts of the Western Roman Empire.
Output (English): History