Najd Sanjak an autonomous separate country within the empire. The sultan recognized Abdullah II Al-Sabah as the kaymakam of Kuwait as a subprovince of al-Ahsa, formally acknowledging that Kuwait was a part of the Ottoman Empire and that it was ruled by the Sabah family. In 1913 Ibn Saud launched an attack on Hofuf, where 1,200 Turkish troops had been stationed since the province's annexation in 1870. The Ottoman garrison was expelled from Hasa, and the territory fell to the Al Saud. Even after the conquest of Hasa, Britain considered Ibn Saud to be an Ottoman vassal, and the Anglo-Ottoman Convention of
Annexation of Crimea by the Russian Empire the Ottoman Empire signed the Convention of Aynali Kavak in early 1779. In the agreement, the Ottomans recognised Şahin as Khan of Crimea, promised no further intervention in Crimea, and conceded that Crimea was under Russian influence. Crimeans could no longer expect support from the Ottomans. Şahin's reforms proceeded, gradually removing Tatars from positions of political influence. For a brief period, Crimea remained peaceful. A new rebellion, sparked by the continuing marginalisation of Tatars within the Khanate government, started in 1781. Various clan leaders and their forces came together in the Taman, across the Kerch Strait from Crimea. In April