. "First World War" . . . . . . "Black Sea campaign of World War I" . "North Sea Operations" . . . . "on the seas" . . "commerce war" . "warship during World War I" . "Naval warfare of World War I#Black Sea" . "Central Powers:" . "submarine war" . . . "naval" . . . "North Sea operations" . . "combat" . . "theatre of the war" . . . "naval warfare" . "Allied Powers:" . "Naval campaign" . . . "Naval Operations" . . "North Sea" . . . . . "Atlantic Ocean campaign" . "number of encounters between" . "1914-07-28" . "World War I" . "Black Sea" . "English Channel campaign" . "in the Black Sea" . . "Naval warfare of World War I" . . . . "Black Sea naval campaign of World War I" . . . . . "war at sea" . . "North Sea campaign" . . "in the Baltic" . . . . . "Alliedvictory" . . "Naval Theatre" . . . . . "Belgian Coast" . "fleet actions during the war" . "Atlantic" . "Naval warfare of World War I" . . . . . . "commerce warfare" . "War at Sea" . . "naval warfare of World War I" . . . . . . . . "Naval" .