Moslems in Iran and throughout the world mourn for their prophet Mohammad (PBUH), on the anniversary of his passing. Islam\\\'s Prophet passed away around 630 AD. Shias are also mourning for their second Imam, Imam Hassan, who was martyred on the same day, his grandfather passed away. Moslems on this day pray, go to the mosque or hold other ceremonies to express their sorrow and loss. Show Less >>