Link betweenr Abaʿīn and Mahdism In fact, the Arbaeen, the world’s largest pilgrimages, promotes the culture of awaiting Imam Mahdi and lays the groundwork for the Imam’s appearance. Arbaeen walk in modern history has gone beyond a Shiite ritual, and every year it draws people from different faiths, languages, and ethnicities. The presence of Sunni Muslims and Christians and their preachers in the Arbaeen march and even converting to Islam …