 After World War II, it grew to be the largest brewer in Baltimore and its advertising, including one-eyed mascot "Mr. Boh" and its slogan "From the Land of Pleasant Living", became part of the folk culture of the Baltimore area.In 1975, National Brewing Company was acquired by Carling O'Keefe.The combined firm, renamed Carling National Breweries, Inc., continued to operate the Highlandtown brewery until 1978, when it was closed and production moved to a nearby brewery in Halethorpe, Baltimore County that had been built by Carling in 1961.