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: One of these succeeded Turanshah after their successful military action forced the French to leave and netted them a substantial ransom. Aybak, however, was soon killed and succeeded by another of his kind, who defied Hulagu Khan and defeated the Mongol army at Ain Jalut. Another razed Antioch and fought Edward I of England. The average lifespan of such rulers was about seven years, and in India, they formed the first dynasty of the Delhi Sultanate. From 1747 to 1831, they ruled Iraq, though in the country they would be mainly associated with, all were killed or dispersed in 1811 by Muhammed Ali. Some of them served as foreigners in Napoleons Guard, still carrying their scimitars and riding their horses. That service harked back to their very beginning, when they were prized for having no link to any established power structure. FTP, name these Islamic slave soldiers who originally came from the Caucasus.
A:
History