Hasan ibn Zayd

emir of Tabaristan

Hasan ibn Zayd, known as Great Dai, (born early 8th century, died 6 January 884) was a Persian king of the Tabaristan's Alids. He rebelled in Tabaristan (in 864) and fought with the Abbasids, Tahirids and the Saffarids dynasty. He created an independent Shia Islamic Alavid dynasty.

His coin

Hasan died in Amol.

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