The American beer that has been long promoted as the "King of Beers" is Budweiser. Budweiser is a pale lager that has been brewed by Anheuser-Busch since 1876, and it is one of the most popular beers in the United States. The phrase "King of Beers" has been used in Budweiser's advertising campaigns since the early 20th century, and it has become closely associated with the brand.