No significance, any date in the past will do the job, someone just picked an arbitrary past date. This is so your browser won't cache the page :) Your browser understands "this is good until..." oh, I need to fetch it again, every time in this case.
I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.