Sign up for our daily newsletterEmail addressSign upI would like to subscribe to The Points Guy newsletters and special email promotions. The Points Guy will not share or sell your email. See privacy policy.Not too long ago, the UK experienced a beer shortage and pubs were rationing the potent potable. Now, a chain of London pubs are offering up pints of it to customers for free.Young’s & Co. Brewery, a British pub chain with more than 100 establishments, is celebrating its 187th birthday on Thursday, Sept. 20, by giving its customers free beer. All you have to do to redeem your free pint of Young’s Special, Bitter or Gold, is download the brewery’s On Tap app to your smartphone and head to one of the pubs.The brewery is also bringing out its fleet of dray horses to various locations to welcome customers all day long. Each pub will be celebrating in their own way, too, with live music, cake and more.