If you thought yesterday's snowstorm was rough, try thinking about the wave of molasses that poured through the North End on January 15, 1919. The molasses flood happened when a shoddily built tank burst at the seams, sending waves of molasses through the North End, knocking down homes and crushing people. The tank held molasses that would later be distilled into industrial alcohol for use in World War I. Twenty-one people died, and many people......