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| 1824 |
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| BEGINNING OF THE SECOND SAUDI STATE, with its capital in Riyadh, under the emir Turki ibn Abdallah (r. 1824–34). It was destroyed in 1891. | 1 |
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| 1830 |
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| The Saudis recaptured Hasa. | 2 |
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| 1833, Sept. 21 |
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| Treaty of amity and commerce between Muscat and the United States, granting extraterritorial privileges to American nationals. This was the sheikdom's first capitulatory treaty with a Western power. | 3 |
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| 1834–38 |
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| Faysal ibn Turki ruled as Saudi emir (first reign), after the assassination of his father (May 1834). | 4 |
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| 1834, Oct |
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| Death of Muhammad al-Shawkani (b. 1760), a leading Yemeni religious scholar, judge, and teacher. | 5 |
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| 1835 |
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| Abdallah Ibn Rashid occupied Hail, the capital of the Jabal Shammar region, founding the Rashidi dynasty there (which lasted until 1921). | 6 |
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| 1835–36 |
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| Ali al-Mansur ruled as imam of Yemen (second reign). | 7 |
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| 1836–40 |
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| Abdallah al-Nasir ruled as imam of Yemen, after deposing Ali al-Mansur. | 8 |
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| 1838 |
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| An Egyptian expeditionary force defeated the Saudis, removed the emir Faysal, and installed in his place Khalid ibn Sa’ud (r. 1838–42). | 9 |
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| 1839, Jan |
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| The British occupied Aden, after fruitless attempts to purchase the port from Sultan Muhsin of Lahij. The sultan acknowledged British possession of Aden in return for an annual subsidy. | 10 |
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| 1840–43 |
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| Muhammad al-Hadi ruled as imam of Yemen. | 11 |
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| 1842–43 |
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| Abdallah ibn Thunayn ruled as Saudi emir. | 12 |
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