Mug Root Beer

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Mug Root Beer
Mug Root Beer Logo.jpg
TypeRoot beer
Country of originUnited States

Mug Root Beer is a brand name of root beer made by the New Century Beverage Company of San Francisco, California, a subsidiary of PepsiCo.

1955 ad for Belfast Old Fashioned Mug Root Beer

It was originally produced by the Belfast Beverage Company in San Francisco, California, during the 1940s as Belfast Root Beer. An advertisement for Belfast Root Beer appears as early as 1947.[1] The product name was later changed to Mug Old Fashioned Root Beer.[2] An advertisement for Belfast Old Fashioned Mug Root Beer appears as early as 1952.

In the late 1960s, Sugar Free Mug (now Diet Mug Root Beer) was introduced.[3] Mug Cream Soda and Diet Mug Cream Soda were later introduced, but they are not as widely available. Mug was purchased by Pepsi in 1986, and replaced On-Tap Draft Style Root Beer as Pepsi's root beer brand.[3] Mug Root Beer is manufactured by independent bottlers under the authority of New Century Beverage Company.

The Mug features the company's mascot, a bulldog named Dog, holding a mug of root beer.


  1. ^ September 24, 1947, Bakersfield Californian, p. 7 (available at
  2. ^ March 4, 1952, Mountain Democrat, p. 5 (available at
  3. ^ a b Mug Root Beer Retrieved August 22, 2012.

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