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The Encyclopædia Iranica is a comprehensive research tool dedicated to the study of Iranian civilization in the Middle East, the Caucasus, Central Asia, and the Indian subcontinent.   



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Fascicle 2 of Volume XVI

recently published

The most recent fascicle in the print edition of Encyclopædia Iranica appeared during the second quarter of 2013. This fascicle continues the development of letter “K” topics. It begins with the ancient KASSITES and ends with the beginning of titles with initial Ke-. Especially notable in this fascicle is the comprehensive survey of the Kayanid dynasty in the traditional history of Iran, as recorded in our sources both pre-Islamic and Islamic. This entry by Prof. P. O. Skjærvø, under the title KAYĀNIĀN, is now available at this website, along with all other entries in the fascicle.

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In Focus


an engagement during the mid-630s CE in which Arab Muslim warriors overcame a larger Sasanian army and paved the way for their subsequent conquest of Iran. The battle took place at a small settlement on the frontier of Sasanian Iraq.  Qādesiya was likely a garrison town in the network of Sasanian fortifications known as the “Wall of the Arabs” or as “Šāpur’s trench”.

According to the Islamic sources, shortly after the victory at Yarmuk in Syria, the caliph ʿOmar b. Ḵaṭṭāb (r. 634-644) turned his attentions to Iraq, dispatching a sizeable army under Saʿd b. Abi Waqqāṣ, which swelled with the addition of local irregulars.  The Iranian government sent the powerful nobleman and military commander, Rostam b. Farroḵ-Hormozd, at the head of a large host to crush the invasion.  The two forces waited several months at Qādesiya before engaging each other.

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