The potato famine in Ireland was due to a blight on the potato crop, which left people working the land destitute as they could not pay their dues. Many people died, and many escaped to the USA to start a new life. It was one of the major European disasters in the 19th century.
I add a few websites, but if you google, there are plenty more. More.
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.