Complex sentence: In 1061, about twenty years before Stephen's canonization, the Holy Right of King Saint Stephen was placed by a priest called Mercurius in a town in Transylvania called "Szent Jobb", or Holy Right, built solely for the purpose of keeping it.
Split into simpler sentences: In 1061, about twenty years before Stephen's canonization, the Holy Right of King Saint Stephen was placed by a priest called Mercurius in a town in Transylvania. The settlement was called "Szent Jobb", or Holy Right, built solely for the purpose of keeping it.