Welcome to Encyclopædia Iranica Foundation
The Encyclopaedia Iranica Foundation was established in 1990 with the mission to guarantee the Encyclopædia Iranica's intellectual independence and ensure its ongoing publication both in digital and print versions. Learn More
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Cinema Iranica
Cinema Iranica provides historical articles on movies, genres, film movements, filmographies, directors, composers, stars, cinematographers ...
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Women Poets Iranica
Women Poets Iranica is an integrative encyclopedia of postclassical, modern, and contemporary women poets.
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Encyclopædia Iranica
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.
Featured Articles
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CODES
It is likely that substitution ciphers were used by early Persian states, for nearly identical versions were still in use in Qajar Persia. During the reigns of Fatḥ-ʿAlī Shah and Moḥammad Shah (1834-48) the minister Abu’l-Qāsem Qāʾemmaqām devised a number of letter-substitution codes for communicating with different princes and viziers.
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TAʿZIA
a term used for the Shiʿite passion play performed in Persia. It is the sole form of serious drama to have developed in the world of Islam, with the exception of contemporary theater, which was introduced to Islamic countries in the mid-19th century.