The Seljuks (also Seldjuk, Seldjuq, Seljuq, sometimes also Seljuq Turks) were a Muslim dynasty. They ruled parts of Central Asia and the Middle East from the 11th to 14th centuries. Their empire was known as Great Seljuk Empire that stretched from Anatolia to Pakistan. The Seljuks also fought the Christians in the First Crusade.