bn:01717981n
Noun Named Entity
JA
1939年12月18日のこと  ヘルゴラント・バイトの戦い
EN
The Battle of the Heligoland Bight was the first "named" air battle of the Second World War, which began the longest air campaign of the war on 3 September 1939, the Defence of the Reich. Wikipedia
English:
1939
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