As much of the U.S. braces for another winter storm, check out the major blizzards in U.S. history.
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Nov. 11, 1940: Nearly 150 deaths were blamed on the Armistice Day Blizzard, which left a path of devastation 1,000 miles wide through the country and generated snowdrifts up to 20 feet tall. It followed an unseasonably warm morning and went largely undetected by meteorologists.