Premise: The National Brewing Company was a beer brewing company based in Baltimore, Maryland. The National Brewing Company operated from 1872 until the late 1970s. At the end of the 1970s, the National Brewing Company was purchased and their breweries were shut down. However, National's two most prominent brands, National Bohemian Beer and Colt 45, were kept alive and are now brewed in Wisconsin.
Hypothesis: Wisconsin is notorious for preserving historical alcoholic icons.