Ashura is the tenth day of Muharram, the first month of the Islamic calendar. For Shia Muslims, it marks the martyrdom of Imam Hussain ibn Ali, the grandson of Prophet Muhammad, at the Battle of Karbala in 680 CE.

This event is central to Shia identity and represents the eternal struggle for justice against oppression. Imam Hussain refused to pledge allegiance to the tyrannical ruler Yazid, choosing instead to stand for truth and justice, even at the cost of his life and the lives of his family members.

Shia Muslims commemorate Ashura through mourning processions, majalis (gatherings), and acts of charity. The event serves as a reminder of the importance of standing against injustice and oppression, regardless of the personal cost.

The sacrifice of Imam Hussain is seen as a model of resistance to tyranny and a demonstration of unwavering faith in the face of overwhelming odds.