Relations between Ottoman Empire and Britain have a long history. After its foundation in 1326, Ottoman Empire have advanced towards west and conquered Constantinople and renamed it to Istanbul in 1453 and gained control of the Black sea and the main routes to the Balkans and driving on to the eastern Adriatic. In 1520 Ottoman’s were the indisputable pioneer of the Muslim world and they had impeccable power over western Europe. Then the encounters between Ottoman Empire and Britain have begun. Official diplomatic relations were based with the appointment of an English ambassador to the Sublime Porte as the Ottoman Empire was acknowledged in 1583. in 1793 London received one of the first permanent Turkish embassies established abroad.