Dad’s is one of America’s most popular soft drinks. The beverage was developed in Chicago in February of 1937, and its unique and delicious flavor has earned it a loyal following. Although new flavors have been introduced into root beer over the past 100 years, the essential ingredients are still wintergreen, licorice and vanilla. Dad's Root Beer has a great flavor. It's light, smooth, and highly refreshing. This is a great root beer that's not too heavy, but still big on flavor. Definitely try this beverage.