Note: this blog post was originally written for the Turbulent Priests project blog (https://turbulentpriests.sites.sheffield.ac.uk/blog/csi-carantania) in 2020. The translations have been slightly updated from that version. At some point in the mid-ninth century an auxiliary bishop called Osbald had a serious problem with a turbulent priest in Carantania (later the duchy of Carinthia in southern Austria […]