The first night of Muharram, the mourning period in Shia Islam commemorating the martyrdom of Imam Hussein, was observed in Tehran on Monday. A gathering took place at Enghelab-e-Eslami Roundabout, attracting participants devoted to the grandson of the Prophet Muhammad. The event marks the beginning of a period of remembrance and mourning for Shia Muslims. Participants expressed reverence for Imam Hussein and his companions. Muharram is a significant religious observance for Shia communities worldwide, with large gatherings and processions common throughout the month. The observance in Tehran reflects the deep religious sentiment within the Iranian population.