Martyrdom Anniversary of 10th Shia Imam "Muhammad al-Hadi / Biography
Abu l-Ḥasan ʿAlī b. Muḥammad al-Hādī, (b. 212/828 - d. 254/868) (Arabic:ابوالحسن علي بن محمد الهادي) was the son of Imam al-Jawad (a) and he was the tenth of the twelve Imams of the Shia. He is also known as al-Naqī (النقي, the pure) and al-Hādī (الهادي, the guide). He was the Imam (leader) between 220/835 and 254/868 for a period of thirty-four years.