Individual #battle_of_the_Bismarck_Sea__Bismarck_Sea  World War II naval battle; Allied land-based bombers destroyed a Japanese convoy in the Bismarck Sea in March 1943
  instance of:  naval_battle
  part of:  World_War_II__World_War___Second_World_War  a war between the Allies (Australia Belgium Bolivia Brazil Canada China Colombia Costa-Rico Cuba Czechoslovakia Dominican-Republic El-Salvador Ethiopia Greece Guatemala Haiti Honduras India Iran Iraq Luxembourg Mexico Netherlands New-Zealand Nicaragua Norway Panama Philippines Poland South-Africa United-Kingdom US USSR Yugoslavia) and the Axis (Albania Bulgaria Finland Germany Hungary Italy Japan Rumania Slovakia Thailand) from 1939 to 1945
  part of:  Bismarck_Sea  an arm of the South Pacific southwest of the Bismarck Archipelago

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