 "Lemnos" was named for the Battle of Lemnos, a crucial engagement of the First Balkan War.Armed with a main battery of four guns, "Lemnos" and her sister were the most powerful vessels in the Greek fleet.The ship saw limited action during World War I. Greece's pro-German monarch, Constantine I opted to remain neutral until October 1916, when pressure from the Triple Entente forced him to abdicate in favor of a pro-Entente government.