| Noun | 1. | Dardanelles campaign - the unsuccessful campaign in World War I (1915) by the English and French to open a passage for aid to Russia; defeated by the Turksmilitary campaign, campaign - several related operations aimed at achieving a particular goal (usually within geographical and temporal constraints) First World War, Great War, War to End War, World War 1, World War I - a war between the allies (Russia, France, British Empire, Italy, United States, Japan, Rumania, Serbia, Belgium, Greece, Portugal, Montenegro) and the central powers (Germany, Austria-Hungary, Turkey, Bulgaria) from 1914 to 1918 Republic of Turkey, Turkey - a Eurasian republic in Asia Minor and the Balkans; achieved independence from the Ottoman Empire in 1923 | |