 The Balkan League, of which Greece was a member, declared war on the Ottoman Empire in October 1912.Two months later, the Ottoman fleet attacked the Greek navy, in an attempt to disrupt the naval blockade surrounding the Dardanelles.The Ottoman fleet, which included "Turgut Reis", "Barbaros Hayreddin", the outdated ironclad battleships "Mesudiye" and "Âsâr-ı Tevfik", nine destroyers, and six torpedo boats, sortied from the Dardanelles at 9