Britannica: Qajar-dynasty"In 1779, following the death of Moḥammad Karīm Khān Zand, the Zand dynasty ruler of southern Iran, Āghā Moḥammad Khān (reigned 1779-97), a leader of the Turkmen Qājār tribe, set out to reunify Iran."
Jamie Stokes and Anthony Gorman, Encyclopedia of the Peoples of Africa and the Middle East, 2010, p.707, Online Edition: "The Safavid and Qajar dynasties, rulers in Iran from 1501 to 1722 and from 1795 to 1925 respectively, were Turkic in origin."
Perry, John (1991). "The Zand dynasty". The Cambridge History of Iran, Vol. 7: From Nadir Shah to the Islamic Republic. Cambridge: Cambridge University Press. pp. 63–104. ISBN 9780521200950.