1.) Muharram is the first month of the Islamic calendar and is the second holiest month of the year after Ramadan.
2.) Muharram commemorates the killing of Imam Hussain-ibn-Ali (A.S.), the grandson of the Prophet Muhammad (pbuh), during the Battle of Karbala.
3.) After Ramadan, fasting in the month of Muharram is most rewardable.
4.) The Mourning of Muharram is commemorated for a 10-day period, beginning on the first day of the month.
5.) Many Shia observers perform pilgrimage to the shrine of Imam Hussain (A.S.) in Karbala during Muharram.