
Black May (World War II)
Period during the Second World War

Period during the Second World War
Black May refers to May 1943 in the Battle of the Atlantic campaign during World War II, when the Kriegsmarine U-boat arm (U-Bootwaffe) suffered high casualties with fewer Allied ships sunk; it is considered a watershed in the Battle of the Atlantic.
Read on Wikipedia · Image Royal Navy official photographer, Tomlin, H W (Lt), Public domain
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