In the first Diary of a Wimpy Kid book, which is the one with the red cover, there is no real setting. Jeff Kinney said in the Diary of a Wimpy Kid that he wanted readers to feel this could take place in any regualar suberb town. Though the movie was shot in Vancouver, BC, Canada.
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.