http://www.telegraph.co.uk/news/uknews/153...since-1869.html
http://www.telegraph.co.uk/scienceandtechn...t-old-beer.html
I know the article is a bit old, but if you havn't seen this, it's definitely worth a read.
Beers up to 140 years old have been discovered, opened, tasted, and declared to...