Muharram is the first month of the Islamic calendar. It is one of the four sacred months of the year. Since the Islamic calendar is a lunar calendar, Muharram moves from year to year when compared with the Gregorian calendar.The word "Muharram" means "Forbidden" and is derived from the word harām, meaning "sinful". accordingly Muhammad asked Muslims to pray on this day that is Ashura and on a day before that is 9th (called Tasu`a).Muharram is a month of remembrance and modern Shia meditation that is often considered synonymous with Ashura. Ashura, which literally means the "Tenth" in Arabic, refers to the tenth day of Muharram. It is well-known because of historical significance and mourning for the martyrdom of Hussein ibn Ali, the grandson of Muhammad.Shias 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. The last few days up until and including the Day of Ashura are the most important because these were the days in which Imam Hussein and his family and followers (including women, children and elderly people) were deprived of water from the 7th onward and on the 10th, Imam Hussain and 72 of his followers were killed by the army of Yazid  at the Battle of Karbala on Yazid's orders. The surviving members of Imam Hussein's family and those of his followers were taken captive, marched to Damascus, and imprisoned there.

The holy shrine of Imam Hussain (peace be upon him)

Hadith of Imam Hussain (Peace be upon him):

People are the world's slaves and religion in only on their tongue, if their prosperity is prepared for them, they will gather around the religion, but when their faith are examined, the true believers will be little