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 of aqua vitae" at Christmas, and its first known mention in Scotland dates from 1494. However, it is known that by 1556 whiskey was widespread, as an Act passed by the English Parliament declared whiskey to be "a drink nothing profitable to be drunken daily and used is now universally through the realm of Ireland". This Act also made it technically illegal for anyone other than "the peers, gentlemen and freemen of larger towns" to distil spirits without a licence from the Lord Deputy. However, as Crown control did not extend far beyond the Pale, a fortified area around Dublin,