Water, barley and hops: those were the only three ingredients permitted in brewing, according to the Bavarian beer purity law formulated by dukes Wilhelm IV and Ludwig X on 23 April 1516. Now the union of German brewers is trying to get the purtiy law .... Germans want five-century-old beer purity law to be in UNESCO listThe Voice of Russia Germany wants UNESCO to recognize beer 'purity' lawTheCelebrityCafe.com German brewers seek UNESCO listing for beer purity lawDeutsche Welle The Local.de all 60 news articles »