The Unsolvable Shugborough Inscription, the Priory of Sion, and the Holy Grail
Almost two decades ago, Dan Brown’s blockbuster novel The Da Vinci Code won over millions of readers with an entertaining pseudo-historical adventure to find the Holy Grail. And with a new interest in historical conspiracy theories and secret societies, a spotlight was put on the Shugborough Inscription at Shugborough Hall, a sequence of ten letters that form one of the...