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| YEAR | DATE | EVENT | HEAD OF STATE |
| 622 | 16 july | Independent State | Muhammad the Prophet |
| 632 | Caliphate | caliphe Abu Bakr | |
| 634 | caliphe Omar I | ||
| 644 | caliphe Othman | ||
| 656 | caliphe Ali | ||
| 661 | Syrian Occupation | ||
| 1256 | Arab Occupation | ||
| 1517 | Ottoman Occupation |
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| YEAR | DATE | EVENT | HEAD OF STATE |
| 17xx | al-Diriyah Emirate - Wahabita dinasty | emir Su'ûd ibn Muh.ammad | |
| 1735 | emir Muhammed I | ||
| 1765 | emir Abdul Aziz I | ||
| 1803 | 2 october | emir Sa`ud I | |
| 1814 | 1 may | emir Abdullah I | |
| 1819 | Egyptian occupation | ||
| 1822 | al-Diriyah Emirate - Wahabita dinasty | emir Turki ibn Abdullah | |
| 1834 | emir Mushârî | ||
| 1834 | 18 june | emir Faysal I (I) | |
| 1838 | emir Khalid I | ||
| 1841 | emir Abdullah II | ||
| 1843 | 13 july | emir Faysal I (II) | |
| 1865 | 2 december | emir Abdullah III (I) | |
| 1871 | 10 april | emir Saud II | |
| 1874 | emir Abdullah III (II) | ||
| 1887 | emir Muhammad II | ||
| 1887 | Part of Emirate of Jebel Shammar | emir Abdullah III (III) | |
| 1889 | emir Abd al-Rahman | ||
| 1891 | emir Muhammad III |
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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1902 | 15 january | Emirate of Nejd | emir Abdul Aziz II |
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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1921 | 22 august | Sultanate of Nejd | sultane Abdul Aziz II (emir) |
| 1927 | 29 january | Kingdom of Nejd | king Abdul Aziz II (sultane and emir) |
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| YEAR | DATE | EVENT | HEAD OF STATE |
| 1932 | 22 september | Kingdom | king Abdul Aziz II |
| YEAR | DATE | EVENT | HEAD OF STATE |
| 1938 | 30 march | ||
| 1953 | 9 november | king Sa`ud III | |
| 1964 | 2 november | king Faysal II | |
| 1975 | 25 march | king Khalid II | |
| 1982 | 13 june | king Fahd | |
| 2005 | 1 august | king Abdullah IV |