Apostrophe is used in contractions, to show possession, where the noun that should follow is implied, to show plural possession. You do not use it for the plural of a noun, a singular compound noun, with the singular compound noun you put the apostrophe at the end of the word, for example "my mother-in-law's coat.
The date you are searching for is 2455-07-15.
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.