Iran Press/Iran news: Tasu'a precedes Ashura on the 10th day of Muharram, when Imam Hussein [AS], a grandson of Islam’s Prophet Muhammad [PBUH], and his 72 companions were martyred in the Battle of Karbala, in southern Iraq, in 680 AD after fighting courageously for justice against the much larger army of the Umayyad caliph, Yazid I.
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