Think it must be all the coverage on the national TV news of the 70th anniversary of the outbreak of WW2, they use a lot of Vera Lynn along with the newsreel footage.
Speaking as a chap who has a keen interest in the period and who has appeared at many re-enactments I am always chuffed by the interest shown by the young.
Lest we forget....
Here's a pic of me doing my best to keep the memory alive in Dover Castle: