Brown ale include sweet, low alcohol beers such as Manns Original Brown Ale, medium strength amber beers of moderate bitterness such as Newcastle Brown Ale, and malty but hoppy beers such as Sierra Nevada Brown Ale. In the 18th century, British brown ales were brewed to a variety of strengths, with original gravities (OG) ranging from around 1.060 to 1.090. Around 1800, brewers stopped producing these types of beers as they moved away from using brown malt as a base. Pale malt, being cheaper because of its higher yield, was used as a base for all beers, including Porter and Stout. The
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"