Yes in an overall sense. From an air war perspective, the deployment of the RAF to France and the subsequent air battle was more or less the first truly contested air campaign. Obviously the German use / integration of air power in its Blitzfrieg tactics was a first and unique use of air power.
Good point!
I would say ’ nice try ’ … but no ! 
VR?
if you cant find it in the list of features linked above ( didnt go through it all myself yet) then no, then VR wasnt implemented yet.