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Here we report the discovery of ceramic fragments that form part of a Gorgoneion, a ceramic image representation of the Gorgon Medusa. The fragments were found in a deep part of Gorham’s Cave, well known to ancient mariners as a natural shrine, between the 8 th and 2 nd century BCE. We discuss the context of this discovery, both within the inner topography of the cave itself, and also the broader geographical context. The discovery is situated at the extreme western end of the Mediterranean Sea, where it meets the Atlantic Ocean. The location was known to ancient mariners as the northern Pillar of Herakles, which marked the end of the known world. We relate the discovery, and its geographical and chronological context, to Greek legends that situated the lair of the Gorgon sisters at a location which coincides with the physical attributes and geographical position of Gorham’s Cave. We thus provide, uniquely, a geographical and archaeological context to the myth of Perseus and the slaying of the Gorgon Medusa.

In recent years, the 'medieval frontier' has been the subject of extensive research. But the term has been understood in many different ways: political boundaries; fuzzy lines across which trade, religions and ideas cross; attitudes to other peoples and their customs. This book draws attention to the differences between the medieval and modern understanding of frontiers, questioning the traditional use of the concepts of 'frontier' and 'frontier society'. It contributes to the understanding of physical boundaries as well as metaphorical and ideological frontiers, thus providing a background to present-day issues of political and cultural delimitation. In a major introduction, David Abulafia analyses these various ambiguous meanings of the term 'frontier', in political, cultural and religious settings. The articles that follow span Europe from the Baltic to Iberia, from the Canary Islands to central Europe, Byzantium and the Crusader states. The authors ask what was perceived as a frontier during the Middle Ages? What was not seen as a frontier, despite the usage in modern scholarship? The articles focus on a number of themes to elucidate these two main questions. One is medieval ideology. This includes the analysis of medieval formulations of what frontiers should be and how rulers had a duty to defend and/or extend the frontiers; how frontiers were defined (often in a different way in rhetorical-ideological formulations than in practice); and how in certain areas frontier ideologies were created. The other main topic is the emergence of frontiers, how medieval people created frontiers to delimit areas, how they understood and described frontiers. The third theme is that of encounters, and a questioning of medieval attitudes to such encounters. To what extent did medieval observers see a frontier between themselves and other groups, and how does real interaction compare with ideological or narrative formulations of such interaction? Contents: Preface, Nora Berend; Introduction: Seven types of ambiguity c.1100-c.1500, David Abulafia; Crossing the frontier of 9th-century Hispania, Ann Christys; Emperors and expansionism: from Rome to Middle Byzantium, Jonathan Shepard; Byzantium's eastern frontier in the 10th and 11th centuries, Catherine Holmes; Were there borders and borderlines in the Middle Ages? The example of the Latin Kingdom of Jerusalem, Ronnie Ellenblum; Government and the indigenous in the Latin Kingdom of Jerusalem, Jonathan Riley-Smith; Latins and Greeks on Crusader Cyprus, Peter W. Edbury; Genuensis civitas in extremo Europae: Caffa from the 14th to the 15th century, Michel Balard; Granting power to enemy Gods in the chronicles of the Baltic Crusades, Raza Mazeika; The Blue Baltic border of Denmark in the High Middle Ages: Danes, Wends and Saxo Grammaticus, Kurt Villads Jensen; Hungary, the 'Gate of Christendom', Nora Berend; Boundaries and men in Poland from the 12th to the 16th century: the case of Masovia, Grzegorz Mysliwski; The frontiers of Church reform in the British Isles,1170-1230, Brendan Smith; Neolithic meets medieval: first encounters in the Canary Islands, David Abulafia; Index.

For over three thousand years, the Mediterranean Sea has been one of the great centres of world civilisation. From the time of historical Troy until the middle of the nineteenth century, human activity here decisively shaped much of the course of world history. David Abulafia's The Great Sea is the first complete history of the Mediterranean from the erection of the mysterious temples on Malta around 3500 BC to the recent reinvention of the Mediterranean's shores as a tourist destination. Part of the argument of Abulafia's book is that the great port cities - Alexandria, Trieste and Salonika and many others - prospered in part because of their ability to allow many different peoples, religions and identities to co-exist within sometimes very confined spaces. He also brilliantly populates his history with identifiable individuals whose lives illustrate with great immediacy the wider developments he is describing. The Great Sea ranges stupendously across time and the whole extraordinary space of the Mediterranean from Gibraltar to Jaffa, Venice to Alexandria. Rather than imposing a false unity on the sea and the teeming human activity it has sustained, the book emphasises diversity - ethnic, linguistic, religious and political. Anyone who reads it will leave it with their understanding of those societies and their histories enormously enriched. David Abulafia.is Professor of Mediterranean History at Cambridge University (Publisher's note).

David Abulafia's new book guides readers along the world's greatest bodies of water to reveal their primary role in human history. The main protagonists are the three major oceans-the Atlantic, the Pacific, and the Indian-which together comprise the majority of the earth's water and cover over half of its surface. Over time, as passage through them gradually extended and expanded, linking first islands and then continents, maritime networks developed, evolving from local exploration to lines of regional communication and commerce and eventually to major arteries. These waterways carried goods, plants, livestock, and of course people-free and enslaved-across vast expanses, transforming and ultimately linking irrevocably the economies and cultures of Africa, Europe, Asia, and the Americas.

The Mediterranean Sea has been a crucial site of cross-cultural exchange since the beginning of human history. This book is certain to become the definitive work on the Mediterranean Sea for generations.

\"David Abulafia's new book guides readers along the world's greatest bodies of water to reveal their primary role in human history. The main protagonists are the three major oceans-the Atlantic, the Pacific, and the Indian-which together comprise the majority of the earth's water and cover over half of its surface. Over time, as passage through them gradually extended and expanded, linking first islands and then continents, maritime networks developed, evolving from local exploration to lines of regional communication and commerce and eventually to major arteries. These waterways carried goods, plants, livestock, and of course people-free and enslaved-across vast expanses, transforming and ultimately linking irrevocably the economies and cultures of Africa, Europe, Asia, and the Americas\"-- Provided by publisher.

Mediterranean history, and the history of other closed seas, is seen here as the experience of those who traversed the sea and arrived as decentered aliens on the other side. Mainly these have been men, with merchants generally as pioneers who introduced the goods, ideas, and religion of one region to another. From antiquity onwards, port cities such as Carthage, Alexandria, Smyrna, and Livorno acted as links among the three continents facing the Mediterranean, and visitors from other lands were sometimes free to roam, sometimes ghettoized.