Q: 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.
The fifth ruler with this name was co-ruler with his brother for 14 years despite being mentally impaired. The sixth was deposed in favor of empress Elizabeth. The second was known as the "Meek", and succeeded his father, the first, who was known as "Moneybags". The most famous is the fourth, who established the Zemsky Sobor and a personal secret service known as the O-prich-ni-ki. FTP, give this shared name of several Russian Czars, the most infamous of which was known as "the Terrible. "
A:
History