First of all you should include title: false in the column definition to have no standard tooltip. Then you can either define different tilte attributes for separate a elements or use cellattr to set custom value on the title attribute of the cell (the td element).
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.