Definition: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
Input: To secure the southern border, this ruler created a kingdom of Aquitaine, which even eventually gained control over the Spanish March. His court included a circle of educated clerics who produced a renovatio, including the scholar Alcuin of York and this ruler's biographer, Einhard. Aachen was the site of the Palatine Chapel and palace of this man, the son of Pippin the Short who was crowned Emperor of the Romans on Christmas Day 800 by Pope Leo III. For 10 points, name this Frankish King, the first Holy Roman Emperor.
Output:
History