The Empire of Manuel I Komnenos, 1143-1180 - Paperbackby Paul Magdalino (Author) The reign of Manuel I (1143 1180) marked the high point of the revival of the Byzantine empire under the Comnenian dynasty. It was however followed by a rapid decline, leading to the sack of Constantinople by the Fourth Crusade in 1204. This book, the first devoted to Manuel's reign for over 80 years, reevaluates the emperor and his milieu in the light of recent scholarship. It shows that his foreign policy was a natural