The so-called Coligny Calendar was discovered in November 1897 by a Monsieur Roux in a field north of Coligny (Ain, France). He came across the fragments of a buried statue of a young male deity and, with it, the broken-up remains of what had once been a large bronze plaque. The more than 150 individual fragments, most of which bore writings and numerical values aligned to vertical lines of holes, were quickly recognized as pieces of a calendar, written...