Legenda Christiani and Modern Historiography focuses on the long history of the discussion over the authenticity of Legenda Christiani, a crucial text for the medieval history of the Czech lands. First, this study shows the birth and development of a critical historiography in the era of nationalism (19th-20th C.). Second, it explains the different textual strategies used by historiography in the modern era. Third, comparison with similar discussions about the consistency in or the age of medieval texts is offered. This book will be of interest for medievalists and for those studying the historiography of the Middle Ages.