Seljuk Iqta Military Fief System

Timeline

1. 1071–1073East of Lake Van · Lake Van RegionAfter the victory at Manzikert, the sultan divided newly conquered Byzantine frontier zones into iqta grants for the Turkish commanders who had marched with the army; holders had to station their troops, collect land taxes and provide cavalry service to the sultan, forming a frontier military colonization network.
2. c. 1072–1077Baghdad · BaghdadDuring the reign of Malik Shah I, the imperial center audited iqta accounts through viziers such as Nizam al-Mulk, distinguishing life-term iqta from temporary wartime grants, strengthening the sultan's fiscal control over the military nobility and their levy of military service.
3. c. 1078–1080Konya · RumBy around 1080, many iqta in western and central Anatolia had become the basis of hereditary local regimes; Turkish tribes and ghulam cavalry relied on iqta revenues for long-term residence, accelerating the restructuring of the social structure of Byzantine theme lands.