مراسم شب پنجم محرم|The fifth night of Muharram, Husseiniyeh Sayyid al-Shohada, Oslo, Norway

Muharram, the first month of the Islamic calendar, is particularly significant for Shia Muslims who commemorate the martyrdom of Imam Hussein, the Prophet Muhammad's grandson, at the Battle of Karbala on the tenth day, known as Ashura.