Finding a new holiday to celebrate is always a pleasure - finding one that ties into Steampunk is doubly so! Steeped in tradition in the Steampunk and Victorian genres, and frequently used as an introspective device, pipes are a unique era hallmark. Unfortunatly, I haven't been able to find out the name of the organization involved, but it does look as if it has a new but steadily growing website. The IPSD site has a small number of extremely useful links, including a FAQ on the basics of pipes, how to pack a pipe, and a very nice PDF brochure to accompany the celebrations. For more information, please visit the IPSD website, at: http://www.ipsd.eu/
Or take a peek at the Smoker's Forum, at: http://www.smokersforums.co.uk/ , for further information on pipes and other sundry tobacco topics.
For those who wish to avoid the RL circumstances of tobacco, I would point to an earlier article in the Heliograph on "virtual pipe smoking", at: http://voyagesofdrfabre.blogspot.com/2008/07/sl-steampunk-tobacco-merchants.html