Hussein, grandson of the Prophet Muhammad, is revered by Muslims as the “Prince of Martyrs”. He was killed in Karbala on a day which became known as Ashura, the tenth day of the Islamic month of Muharram, having refused to pledge allegiance to the corrupt and tyrannical caliph, Yazid. Video: Who is Hussein?For more information visit the following link:World’s Biggest Pilgrimage, And Why You’ve Never Heard of it!