How are we defining "developed" countries?

Didn't say it was; it's an island, and Germany performed a prolonged aggressive military maneuver above & around that island. "Battle of Britain" is the typical name for that campaign.

And if you insist on being meaninglessly pedantic, in the same vein, "Russia" didn't invade Poland, The USSR did.

Fella with the mask and wide eyes in the first picture is a lot like how I'd imagine the titular sheep from Murakami's Wild Sheep Chase.

Then why is it referring to Axis aggression against Britain, when the Battle of Britain started in 1940, and The USSR had nothing to do with it?

I think your copy has a misprint. 🧐

2011 classic film "Drive" starring Ryan Gosling

Perchance