National symbols of Ireland, the Republic of Ireland and Northern Ireland with Jameson Irish Whiskey and Tullamore Dew the main whiskey brands. Poitín, made from potatoes and with an alcohol content of up to 90% ABV, is the traditional Irish moonshine, brewed illegally since 1661, when a duty was placed on whiskey and other spirits were made illegal. According to one guidebook, ""If you see a product labelled "poteen" in an airport or a bar, it's simply a white duty-paid Irish schnapps. By definition, poteen is illegal and can't be sold."" Stout, a dark beer made using roasted oats or barley, is the national beer, with Guinness heavily promoted as a
Irish whiskey through the inclusion of raw, unmalted grain in the mash. This style has also historically been referred to as "pure pot still" whiskey and "Irish pot still whiskey", with older bottlings and memorabilia often bearing these names. Single pot whiskeys were the most common style of Irish whiskey until the emergence of blends in the 20th century. Whiskey produced from continuous distillation in a column or Coffey still, rather than a pot still, is referred to as grain whiskey. This may be produced from a variety of grains. Lighter and more neutral in taste, this spirit is rarely found on