aviationhumor.net

VMarB TIL British breweries donated free beer to soldiers during WWII, but after D-Day, there was no room for it on the ships going across the English Channel. Spitfire mechanics and pilots worked together to modify pylons to carry beer kegs and deliver brews to the troops. Flying high enough chilled it.
Oo76e TIL of Gunner, a stray Australian dog who, after being wounded in a WW2 air raid, could distinguish so accurately between the sounds of Allied and Japanese planes that he could give 20 mins warning before an air attack. He was taken in by the RAAF and given a role detecting air attacks on Darwin.
8a6aV TIL of a giant "WELCOME TO CLEVELAND" sign on a rooftop in the flight path of a Milwaukee airport. It has been causing confusion to passengers since 1978. Creator, Mark Gubin, said: "Living in the world is not a dress rehearsal. You better have fun with it."