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| YEAR | DATE | EVENT | IMAM | PRIME MINISTER |
| 1591 | Qasimi state | al Qasim ibn Muhammed ibn Ali | ||
| 1620 | al Muayyad Muhammed | |||
| 1644 | al Muttawakkil Ismail | |||
| 1676 | al Mahdi Ahmad ibn al Hasan | |||
| 1681 | al Hadi Muhammed | |||
| 1686 | 27 april | Muhammad III un-Nasir bin al-Mahdi Ahmed | ||
| 1716 | al-Mutawakkil Qasim II bin Husain | |||
| 1727 | Muhammad al-Hadi | |||
| 1728 | Husayn | |||
| 1748 | 6 march | `Abbas I al-Mahadi | ||
| 1775 | 15 september | Ali I ibn al-`Abbas | ||
| 1809 | 24 october | Ahmad II ibn Ali | ||
| 1816 | 10 september | Abdullah I ibn Ahmad | ||
| 1835 | 27 november | Ali II ibn Abdullah (I) | ||
| 1836 | Abdullah II ibn al-Hasan | |||
| 1840 | february | Muhammad IV ibn Ahmad al-Hadi | ||
| 1844 | january | Ali II ibn Abdullah (II) | ||
| 1845 | december | Muzaffar ad-Din Muhammad V ibn Yahya | ||
| 1848 | Ahmad III ibn Hashim | |||
| 1849 | Ali II ibn Abdullah (III) | |||
| 1850 | al-`Abbas II ibn `Abd ar-Rahman | |||
| 1850 | Ghalib ibn Muhammad (I) | |||
| 1872 | Muhsin ibn Ahmad | |||
| 1878 | october | Sharaf ad-Din Muhammad | ||
| 1891 | may | Muhammad VI ibn Yahya Hamid ad-Din | ||
| 1904 | 4 june | Yahya ibn Muhammad | ||
| 1948 | 18 february | Abdullah (II) ibn Ahmad | Prince Hassan | |
| 1948 | 15 march | Ahmad ash-Shams (I) | ||
| 1955 | 1 april | Abdullah (III) ibn Yahya | vacant | |
| 1955 | 5 april | Ahmad ash-Shams (II) | ||
| 1962 | 18 september | Muhammad al-Badr |