What is the significance of the Battle of Karbala in Shia Islam and why is it commemorated every year during Muharram?

The Battle of Karbala is a significant event in the history of Shia Islam, which took place on the 10th of Muharram in the year 680 CE. It was a battle between the forces of the Umayyad Caliphate and the supporters of Imam Husayn, the grandson of the Prophet Muhammad, who had refused to pledge allegiance to the Caliphate.

The battle resulted in the martyrdom of Imam Husayn and his family members and supporters, including women and children. The event has since become a symbol of resistance against oppression and tyranny, and is considered a defining moment in the struggle for social justice and political rights in Shia Islam.

The commemoration of the Battle of Karbala during the month of Muharram is an important ritual in Shia Islam. The first ten days of Muharram, known as the 'Ashura', are marked by mourning and lamentation for the tragedy of Karbala. It is a time of reflection on the sacrifices made by Imam Husayn and his followers, and a reminder of the importance of standing up against injustice and oppression.