quality:corruption
' Alā' al-Din Muhammad (Persian: علاءالدین محمد خوارزمشاه; full name: Ala ad-Dunya wa ad-Din Abul-Fath Muhammad Sanjar ibn Tekish) was the Shah of the Khwarazmian Empire from 1200 to 1220. His ancestor was Anushtegin Gharchai, a Turkic Ghulam who eventually became a viceroy of a small province named Khwarizm. He was subjected to the Mongol conquest of the Khwarazmian Empire, which resulted in the utter destruction of his empire.