Summary Based upon the conference Rome in a Global World: Visual Cultures During the Carolingian Transition (Brno, 14th-15th October 2019), this Supplementum volume of Convivium collects eleven articles that look at Rome's artistic production in the Carolingian era across historiographical, disciplinary, methodological and geopolitical borders. TABLE OF CONTENTS Editorial Chiara Bordino & Chiara Croci - Rome on the Borders. Visual Cultures During the Carolingian Transition Articles Ivan Foletti & Sabina Rosenbergov - Rome between Lights and Shadows. Reconsidering "Renaissances" and "Decadence" in Early Medieval Rome Andrea Antonio Verardi - Narrare il passaggio, guidare la transizione. Strategie di comunicazione papale nella prima met del secolo VIII Ernesto Sergio Mainoldi - The Representation of Sacred Royalty in the codices of Charles the Bald and the Furtherance of Romanness in the Late Carolingian Age Philipp Winterhager - A Pope, a King, and Three Apses. Architecture and Prestige in Eighth-Century Rome and Beyond Chiara Croci - Una questione romana? La (ri)nascita della pittura narrativa martiriale nell'alto Medioevo: altri spunti da Santa Prassede Dirk Krausm ller - In Defense of Tall Tales. Methodius of Constantinople's Literary Activity during His Stay in Rome Chiara Bordino - Images of Saints and Their Relics. Debates on Representation and Worship in the Ninth Century between Constantinople, Rome, and the Carolingians Maria Lidova - Maria Regina. Transformations of an Early Byzantine Image in Late Eighth-Century Rome Martin F. Le? k - Stational Liturgy and Local History. Leo III's Apse Mosaic at Santa Susanna Antonella Ballardini & Maurizio Caperna - A Santa Prassede, nella Gerusalemme nuova. L'assetto architettonico dello spazio absidale, l'arredo e la disposizione liturgica Giulia Bordi & Carles Mancho - Con i santi nella Gerusalemme nuova. Il presbiterio di Santa Prassede tra pittura e mosaici