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.
Q: This ruler issued a "divine pragmatic sanction" nullifying certain donations, and was influenced by the theological advisors Domitian of Ancyra and Theodore Askidas. His armies were defeated at the Battle of Callinicum, after which his minister Peter Barsymes devised a set of fiscal reforms. His theological quarrel with Pope Vigilius is sometimes called the Three Chapters dispute. A year after he negotiated the so-called "Endless Peace" with the Persians, his army won at Tricamerum over Gelimer and the Vandals and he commissioned Tribonian to supervise the creation of the Digesta, the Institutiones, and the Novels, all components of his namesake legal code. FTP, name this great Byzantine emperor from 527-565 CE.
A:
History