Question

Historical story of Muhharam ?​

Answer 1

It is well-known because of historical significance and mourning for the Shahadat of Ḥusayn ibn Ali, the grandson of Muhammad. Muslims begin mourning from the first night of Muharram and continue for ten nights, climaxing on the 10th of Muharram, known as the Day of Ashura..

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Answer 2

$:\pink\implies$ For Shias, Muharram commemorates the death of the Prophet Muhammad's grandson, Hussein Ibn Ali. After questioning the legitimacy of the caliph Yazid, Hussein was murdered during the Battle of Karbala, which took place on the day of Ashura in the year AD 1860.