Biggest snowstorm in the history of this city “historic snowstorm” “historic snowstorm” the snowstorm USA Today claim said according to Mayor Bill de Blasio the largest snowfall in history NYC mayor: Snowstorm could be worst ever “historic snowstorm” worst storm in history New York Mayor Bill de Blasio began issuing warnings early. “historic snowstorm” history of the city warned his citizens what was expected to be a historic blizzard