Snowball Earth" was indeed the coldest time the world has ever seen based on geologic evidence, but I think you're looking for something more recent and more accurately measured. "Blizzard" can mean several different things. In terms of the overall impact of a single winter storm system over a large area, the top two are probably the Blizzard of 1888 and the Superstorm of 1993, both in the eastern US.
For maximum snowfall from a single storm, the record is 189 inches over seven calendar days at Mt. Shasta, California, in 1959 (of which 103 inches fell in two days, a world record). 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.