Today, Monday is Eid al-Ghadir, which marks the day when the Prophet of Islam appointed Ali ibn Abi Talib (PBUM) -- the first Shia Imam -- as his successor and Muslims next leader. Shia Muslimsworldwide are celebrating Eid al-Ghadir today. Eid al-Ghadir comes eight days after another great festivity, called Eid al-Adha or the Feast of Sacrifice ...