‘The fortieth (day)’. A Shi’An abbreviation for ‘After Hijrah.’ Used in English to denote the current era of the Islamic lunar calendar. This era began with the Prophet’s and early Muslims' migration from Mecca to Medina (the event was... More Muslim religious observance that occurs forty days after the Day of Āshūrā. Every year in Iraq, pilgrims travel on foot from Najaf to reach Karbala by the day of Arba’in and visit the shrine of Direct translation: Leader. In Sunni Islam, Imāms are the leaders of the Muslim community who lead prayers, provide guidance and help run communities. In the Shi’ah faith, the Imāms are the infallible, divinely appointed leaders... More Ḥusayn An abbreviation for the Arabic ‘Alayhi salām’ or ‘Alayhā salām’, which translates to: ‘Peace and blessings be upon him/her.’ Follows the name of a maʿsūm (infallible, according to Shi’ah belief) - including all of the... More. It is considered as being one of the world’s largest annual gatherings.