Ala al-Din Tekish
Ala ad-Din Tekish (Persian: علاء الدين تكش; full name: Ala ad-Dunya wa ad-Din Abul Muzaffar Tekish ibn Il-Arslan) or Tekesh or Takesh was the Shah of Khwarazmian Empire from 1172 to 1200. He was the son of Il-Arslan. His rule was contested by his brother, Sultan Shah, who held a principality in Khorasan. Tekish inherited Sultan Shah's state after he died in 1193. In Turkic the name Tekish means he who strikes in battle.
|Ala al-Din Tekish|
|Shah of the Khwarazmian Empire|
|Reign||1172 – 1200|
|Issue||Ala ad-Din Muhammad|
Taj ad-Din Ali-Shah
|House||House of Anushtegin|
In 1194 Tekish defeated the Seljuq sultan of Hamadan, Toghrul III, in an alliance with Caliph Al-Nasir, and conquered his territories. After the war, he broke with the Caliphate and was on the brink of a war with it until the Caliph accepted him as Sultan of Iran, Khorasan, and Turkestan in 1198.
- Bosworth, C. E. (1968). "The Political and Dynastic History of the Iranian World (A.D. 1000–1217)". In Frye, R. N. (ed.). The Cambridge History of Iran, Volume 5: The Saljuq and Mongol periods. Cambridge: Cambridge University Press. pp. 1–202. ISBN 0-521-06936-X.