Analysis of information sources in references of the Wikipedia article "We'll Meet Again" in English language version.
The song combined the first-person plural, which had been so successful in more jingoistic numbers, with romantic longing and an insistent faith in the couple's eventual reuinon.
So popular was 'We'll Meet Again' that it spawned a movie of the same name starring Vera Lynn in 1943, by which time both America and the Soviet Union had entered the war and the tide had turned against the Axis powers.
Pink Floyd's track 'Vera' on The Wall album refers to it 'Does anybody here remember Vera Lynn?/Remember how she said that we would meet again some sunny day?'