Glad to see that you are still trying the game. There were a pair of WW2 projects a long time ago, but I do not think they ever finished them.
http://tinyurl.com/y9pw8pmm
http://tinyurl.com/yd9l9vcg
IIRC, only one scenario was made for the WW2-era:
http://tinyurl.com/ybja9rq9
Other WW2 projects existed for the H3 version of the game, too.