Stenograffia is a festival in Ekaterinburg, Russia that began in 2011 and will happen again in 2012. The organizers are hoping to break the world's record for longest graffiti lettering in Russian. The date has not been set yet, but you should get in touch with them if you want to find out more.
http://www.stenograffia.ru/ (Russian)
Google Translate link
http://www.stenograffia.ru/ (Russian)
Google Translate link