Anglo-Turkish War (1807–09)
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|Anglo-Ottoman War (1807-1809)|
|Part of Napoleonic Wars|
|Ottoman Empire||British Empire|
|Commanders and leaders|
|Selim III||George III|
The Anglo-Ottoman War was a conflict that took place during the Napoleonic Wars between 1807 and 1809.
In the summer of 1806, during the War of the Third Coalition (of Britain, Russia, Prussia, Sweden), Napoleon's ambassador General Count Sebastiani managed to convince the Porte to cancel all special privileges granted to Russia in 1805 and to open the Ottoman straits (Dardanelles) exclusively to French warships. In return, Napoleon promised to help the Sultan suppress a rebellion in Serbia and to recover lost Ottoman territories. When the Russian army marched into Moldavia and Wallachia in 1806, the Ottomans declared war on Russia.
During the Dardanelles Operation in September 1806, Britain pressured Sultan Selim III to expel Sebastiani, declare war on France, cede the Danubian Principalities to Russia, and surrender the Ottoman fleet, together with the forts on the Dardanelles, to the Royal Navy. After Selim's rejection of the ultimatum, a British squadron, commanded by Vice-admiral Sir John Thomas Duckworth, entered the Dardanelles on 19 February 1807 and the British destroyed the Ottoman naval force in the Sea of Marmara, and anchored opposite Constantinople. But the Turks erected powerful batteries and strengthened their fortifications with the help of General Sebastiani and French engineers. The British warships were cannonaded and Duckworth was forced to sail back to the Mediterranean on 3 March 1807.
On 16 March 1807, 5000 British troops embarked on the Alexandria expedition of 1807 and occupied Alexandria in August, although Khedive Muhammad Ali defeated them heavily and forced them to evacuate five months later after a short siege; however, Turkey had a little military support from France in the war with Russia. Napoleon failed to secure Russia's compliance with the armistice agreement of 1807. Therefore, on 5 January 1809, the Ottoman government concluded the Treaty of the Dardanelles with Britain (being now in war with both France and Russia).