National Organisations Fortress Study Group March 1, 2000 1 min read An international organisation interested in the whole range of fortifications since the advent of gunpowder. Thrice-yearly newsletter ‘Casemate’; annual journal ‘Fort’; annual Conference and annual overseas study tour. Post navigation Previous Story Previous post: Garden History SocietyNext Story Next post: Finds Research Group 700-1700AD Share this Facebook Twitter Whatsapp Email You might be interested in May 7, 2026 Excavating the CA archive – the Norman Conquest May 7, 2026 An enduring landscape May 7, 2026 Current Archaeology 435 – ON SALE NOW Leave a ReplyCancel reply