Portal:Shia Islam/On this day/Rabi' al-awwal/9

• 23 AH- Umar ibn Sa'ad commander in Yezid's army died.
• 66 AH- Umar ibn Sa'ad who killed Husayn ibn Ali in the Battle of Karbala was murdered by Al-Mukhtar's army.
• 260 AH- The Imamah of Muhammad al-Mahdi , 12th shia Imam has begun.
• 841 AH- Goharshad Mosque was built by order of Goharshad Begum wife of Shah Rukh.