Dhu l-Hijja 21
- 1211 AH - Death of Aqa Muhammad Khan, the founder of Qajar Dynasty (June 17, 1797)
- 1406 AH - Demise of Muhammad 'Ali Mudarris Afghani (August 27, 1986)
- 1408 AH - Terror of Sayyid 'Arif Husayn al-Husayni, the leader of Tehrik-e-Jafaria in Pakistan (August 5, 1988)