https://en.wikipedia.org/wiki/Safavid_Iran
WebAs part of its completion, he greatly expanded the ghulam military corps from just a few hundred during Tahmāsp's era, to 15,000 highly trained cavalrymen, as part of a whole army division of 40,000 Caucasian ghulams. He then went on to completely reduce the number of Qizilbash provincial governorships and systematically moved qizilbash ...