By making it look not like an add but more like humor post. Just google for sites that allow you to use funny cartoons, or funny news stories that relate to what you want to spread virally. On Facebook, a friend of my uses humorous political cartoons to spread his political message and they always get passed around.
Humor is the path to Internet customers' pocket books if you start with the humor and have your link conveniently located below.
One way to go these days is connecting your website to your Twitter account, thus starting your word of mouth business through your Twitter followers (and their followers and their followers).
Use a program called Viral Tweets. It's free and I actually created a Hubpage about it, so you can read more about it here.
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.