In 1838 in a situation similar to that of 1831, Muhammad Ali of Egypt was not happy about his lack of control and power in Syria, and he resumed military action. The Ottomans lost to the Egyptians at the Battle of Nezib on 24 June 1839 but were saved by Britain, Austria, Prussia and Russia, who signed a convention in London on 15 July 1840 that granted Muhammad Ali and his descendants the right to inherit power in Egypt in exchange for the removal of Egyptian forces from Syria and Lebanon. Moreover, Muhammad Ali had to admit a formal dependence on the Ottoman sultan. After Muhammad Ali refused to obey the requirements of the convention, the allied Anglo-Austrian fleet blockaded the Nile Delta, bombarded Beirut and captured Acre. Muhammad Ali then accepted the convention's conditions. thumb|Muhammad Ali of Egypt deposed the Ottoman governor and seized control of Egypt for himself On 13 July 1841, after the expiry of the Treaty of Hünkâr İskelesi, the London Straits Convention was signed under pressure from the European countries. The new treaty deprived Russia of its right to block warships from passing into the Black Sea in case of war. Thus, the way to the Black Sea was open for British and French warships during a possible Russo-Ottoman conflict.
in 1838 in a situation similar to that of 1831 muhammad ali of egypt was not happy about his lack of control and power in syria and he resumed military action the ottomans lost to the egyptians at the battle of nezib on 24 june 1839 but were saved by britain austria prussia and russia who signed a convention in london on 15 july 1840 that granted muhammad ali and his descendants the right to inherit power in egypt in exchange for the removal of egyptian forces from syria and lebanon moreover muhammad ali had to admit a formal dependence on the ottoman sultan after muhammad ali refused to obey the requirements of the convention the allied anglo-austrian fleet blockaded the nile delta bombarded beirut and captured acre muhammad ali then accepted the convention's conditions thumb|muhammad ali of egypt deposed the ottoman governor and seized control of egypt for himself on 13 july 1841 after the expiry of the treaty of hünkâr i̇skelesi the london straits convention was signed under pressure from the european countries the new treaty deprived russia of its right to block warships from passing into the black sea in case of war thus the way to the black sea was open for british and french warships during a possible russo-ottoman conflict