Brown ale breweries, such as Whitbread, introduced a second weaker and cheaper brown ale that was sometimes just a sweetened version of dark Mild. These beers had an original gravity of around 1.037. After World War II, most breweries stopped producing these stronger brown ales, with the exception of some breweries in the northeast of England. The majority had an OG in the range 1.030–1.035, or around 3% ABV, much like Manns Brown Ale today. North American brown ales trace their heritage to American home brewing adaptations of certain northern English beers, and the English influence on American Colonial Ales. English brown
Mild ale has led to a modest renaissance and an increasing number of milds (sometimes labelled "Dark") being brewed. The Campaign for Real Ale has designated May as Mild Month. In the United States, a group of beer bloggers organised the first American Mild Month for May 2015, with forty-five participating breweries across the country. "Mild" was originally used to designate any beer which was young, fresh or unaged and did not refer to a specific style of beer. Thus there was Mild Ale but also Mild Porter and even Mild Bitter Beer. These young beers were often blended with aged "stale"