Given the task definition and input, reply with output. 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 English adventurer Sir Anthony Shirley became a diplomat for this polity. This dynasty came to power after winning the Battle of Merv against Muhammad Shaybani, and it fell after an invasion by the Hotaki people. This dynasty was nicknamed the Qizilbash or "redheads" because of their headgear of choice. This polity's longest-serving ruler was (*) Tahmasp the Great, who allied with and protected the exiled Humayun. This polity was defeated by Selim the Grim at the Battle of Chaldiron and it reached its height under Abbas I. Its capital was Isfahan and its founder was Ismail I. For ten points, name this Shia dynasty that rivaled the Ottomans in Persia.
History