Who was Imam Husayn, and why was he the sacrifice for the whole of humanity?
Imam Husayn alayhis-salam was the grandson of the final Messenger of Allah Almighty to humanity, the holy Prophet of Islam Muhammad salla- llahu-alayhi-wa-aalih4; the messenger who “has been sent as Mercy to the worlds” to paraphrase the holy Qur’an.
