The Twelfth Holy Imam (A.S.) The Twelfth Holy Imam (A.S.): The twelfth Imam, Muhammad al-Mahdi (may Allah hasten his appearance) was born on the 15th of Sha`ban in the year 255 AH in Samarra. His imamat began at the age of five when his father died in 260 AH. His name (Muhammad) and his agnomen … Continue reading The Twelfth Holy Imam (A.S.)