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 a recipe. Although known to have occurred for hundreds of years, records of whiskey production in Ireland can be difficult to come by, particularly in the earlier years when production was unregulated. Even in later years, as production was frequently illicit, official records bear little reflection of reality. In addition, as many Irish records were traditionally oral, rather than written, details on early production are likely lost. The oldest known written record of whiskey comes from Ireland in 1405 in the Irish Annals of Clonmacnoise, where it was written that the head of a clan died after "taking a surfeit