The Twentieth Century was the scene of two World Wars and an undeclared Cold War. Through the collisions emerged, a great wealth of archaeological sites with many typologies from different nations have appareled. The World Wars Archaeology, in a historical context, proposes to study the material evidence remaining of warlike periods, emphasizing the social nature that exists behind the material cultures. Through this study, aims to contribute effectively to the Brazilian Archaeology, bringing to the given context some studies related to the World Wars Archaeology theme in foreign countries providing an initial bibliographical framework about these researches in Brazil. The work shows the scope of theme´s applicability by means of case studies: a survey of shipwrecks sites of Sergipe coast and from cultural materials from them that came to earth - beyond the shipwrecks sites formed by the remains of the ship Itapagé on the coast of Alagoas. The research has a proposal to show the importance for the Archaeology in Brazil for further studies in shipwrecks studies formed by leftovers ships made with iron hulls − in view of nautical archaeological studies involving vessels with these characteristics are unpublished in Brazil. / O Século XX foi palco de duas Guerras Mundiais e de uma não declarada Guerra Fria. Por meio dos embates surgiu uma grande diversidade de sítios arqueológicos com diversas tipologias provenientes de diferentes nações. A Arqueologia das Guerras Mundiais, dentro de um contexto histórico, se propõe a estudar os testemunhos materiais remanescentes dos períodos belicosos, dando ênfase ao cunho social que existe por trás da cultura material. Através do presente estudo, pretende-se contribuir efetivamente com a Arqueologia Brasileira, trazendo para o dado contexto alguns dos estudos relacionados à temática da Arqueologia das Guerras Mundiais em países estrangeiros disponibilizando um aporte bibliográfico inicial sobre essas pesquisas no Brasil. O trabalho mostrará as possibilidades da aplicabilidade do tema por meio de estudos de casos: o levantamento dos sítios de naufrágios da costa de Sergipe e das culturas materiais provenientes deles que chegaram a terra além do sítio de naufrágio formado pelos restos do navio Itapagé na costa do estado de Alagoas. A pesquisa tem como proposta mostrar a importância para a Arqueologia no Brasil de se realizarem estudos em sítios arqueológicos de naufrágios formados por restos de navios feitos com cascos de ferro tendo em vista que estudos náuticos arqueológicos envolvendo embarcações com essas características são inéditos no país.

Selon l’image reçue des Vikings, ce peuple incarne l'esprit d’une immense solidarité primitive ayant su résister rudement au joug du christianisme et à la domination du Latin en Europe occidentale. Cette image n’est pas sans ses contradictions et, s’il est vrai que l’écriture était encore inconnue en Scandinavie durant les premiers siècles de l’expansion viking, on sait maintenant que le commerce et la colonisation, autant que les célèbres raids, motivèrent l’irruption des peuples scandinaves sur la scène médiévale. Quant aux navires de ces marchands, colonisateurs, pêcheurs et guerriers, ils apparaissent, un peu à l’image des Vikings eux-mêmes, sur le grand tableau de l’histoire nautique sous l’enseigne d’une originalité et d’une technicité sans parallèle. Comment les Vikings construisaient-ils leurs navires, en leur donnant une symétrie, un équilibre et une finesse si achevés? Les premiers ethnologues qui se sont intéressés à cette question ont privilégié les idées issues d'une tradition acquise par des générations de constructeurs, et d'astuces simples pour équilibrer tribord et bâbord. Puis, ils se sont rapidement tournés vers les techniques inhérentes à la construction à clin : utilisation de planches fendues et non sciées et de rivets abondants témoignant d’une sidérurgie acquise depuis peu. Le problème que présentent ces navires, est que leur construction artisanale demeure conforme à l’image reçue des Vikings, mais que leur conception architecturale, réalisée selon des connaissances théoriques très exactes, brise la notion d’une Scandinavie médiévale illettrée et coupée des grands centres du savoir. Ce travail s’intéresse précisément à la conception architecturale des navires scandinaves du VIIIe au XIe siècle pour montrer comment ils s’insèrent dans un haut savoir européen dès leur apparition. Il explore ensuite les liens qui unissent ce savoir théorique aux aspects véritablement originaux des navires vikings, en l’occurrence leur construction à clin et leur homogénéité sur une grande région à travers plus de cinq siècles. Au terme de cette recherche, l'analyse réalisée sur le maître-couple de trois épaves vikings, une épave antique et une épave scandinave pré-viking, a permis de mettre en évidence plusieurs indices de l'utilisation du système de conception géométrique apparaissant pour la première fois dans les traités d'architecture navale de la Renaissance, et ce, sur chacune de ces épaves. Les résultats obtenus démontrent qu'il est possible d'employer un système transversal de conception pour des navires vraisemblablement construits bordé premier et assemblés à clin. / According to the popular image of the Vikings, this people embodied a spirit of immense solidarity that resisted the yoke of Christianity and the dominance of Latin in Western Europe. This image is not without its contradictions, and while it is true that writing was unknown in Scandinavia during the early centuries of the Viking expansion, we now know that trade and colonization, as much as their famous raids, motivated the irruption of the Scandinavian people on the medieval stage. However, there is an important area where the contradictions between the image of the Vikings and archaeological data still remain intact : the Vikings ships. These ships were designed for traders, settlers, fishermen and warriors. Like the Vikings themselves, their ships reflect a genius of unparallelled originality and high performance. How did the Vikings build their ships, conferring them with such impressive symmetry, balance and finesse? The first ethnologists who studied this issue favoured ideal notions of traditions compiled over generations of builders, along with simple tips for balancing portside and starboard. Following this reductive cultural representation, they then quickly turned to the essential elements of clinker built construction: use of split planks and a great number of iron rivets, evidence of a new metallurgy. The problem with these ships is that, while their construction is made using traditional methods fitting to the popular image of the Vikings, their architectural design, deriving from very refined knowledge, contradicts the idea of an illiterate medieval Scandinavia cut off from the main centres of learning. This work focuses on the architectural design of Scandinavian ships from the eighth to the eleventh century, to show their place in high European knowledge. It then seeks to understand the links between the theoretical and practical aspects of Vikings ships : the clinker built construction and a great homogeneity over more than five centuries. Analysis of the master frames of five wrecks – three Viking ships, one Ancient wreck and a pre-Viking Scandinavian vessel – has found positive indicators of the use of geometric design principles that were formerly thought to be original in Renaissance shipbuilding treatises. Each wreck showed signs of the application of these design principles. The results show moreover that it was possible to use a transverse system of hull design for ships that were built shell-first in the clinker style.

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This thesis presents a first archaeological introduction to the study of Byzantine ports, harbours and other coastal installations in the region of Thessaly. Thessaly not only constitutes an ideal region to gain equal information for the Early- to the Late Byzantine periods, but also to compare independent regional and imperial central building activities. However, in particular Thessaly’s maritime connectivity has never been studied in detail before. As such, a first step into a terra incognita, the thesis is divided into two main sections: In order to conceptualize the study of harbour sites, the thesis first sets up a framework for the definition, understanding and interpretation of the physical features of harbours and their function and purpose. Taking into account influencing environmental conditions, such as natural, economic, social and political components, this helps to determine an accurate hierarchical model and to illustrate the interrelationship between different types and forms of harbour sites. Subsequently, comprehensive archaeological investigations around the island of Skiathos and other harbour sites in Thessaly, executed in 2012 and 2013, are set against this theoretical groundwork. In contrast to the common approach of regional studies, where a first general overview is followed by individual detailed case-studies, the opposite methodology is undertaken in order to achieve a systematic study of the Thessalian harbours and the complexity of their network system. Consequently, the collection of data starts from the analysis of a distinct area of a region and continues with the broader regional picture of primary ports, secondary harbours and staple markets. Functioning as an important junction of the Aegean shipping lanes and being involved in regional as well as supra-regional trade and port networks, focus is therefore primarily dedicated to the island of Skiathos. A joint survey project in cooperation with the Greek Ephorate for Underwater Antiquities (EEA), the 13th Greek Ephorate for Prehistoric and Classical Antiquities and the 7th Greek Ephorate for Byzantine Antiquities was initiated by the author in 2012. A number of sites, including harbour installations and other coastal infrastructures, have been detected, documented and subsequently verified by geophysical prospections, using a Sub-bottom profiler and Side-Scan Sonar, in 2013. These have allowed to draw a clear historical picture of architectural developments, port networks and changes in the socio-economic connectivity of the area. Followed by a close investigation of further harbour sites throughout the entire region of Thessaly during two field seasons between 2012 and 2013, the detailed picture gained from the Skiathos survey project is brought to a wider context. This comparison finally allows an overall picture of the history and architectural developments of harbour structures and associated coastal sites, as well as general conclusions concerning the hierarchy and port network in the region during the Early to Late Byzantine periods. This has allowed a comprehensive understanding of the growth, use and decline of various ports, harbours and staple markets within Thessaly and has important repercussions for our understanding of wider social and economic changes that were occurring during these periods, such as the rise of the church as a powerful economic institution or the increasing activities of private entrepreneurs. In this way the submerged maritime heritage of Thessaly has provided a rich new resource with which to understand the cultural dynamics of the region as it emerged from its peripheral location to comprising major ports within the Roman maritime network and to stand out of the heart of the commercial route ways to and from Constantinople, as well as being part of the emergent networks of the western maritime states at the end of the period, such as Venice.

En 1245, las tropas castellanas conquistaban Cartagena. Tras el intento alfonsí de conseguir una fuerte proyección mediterránea de Castilla, la costa murciana se convierte en un inmenso despoblado. Castilla, especialmente durante el siglo XIV, manifestó un claro desentendimiento de los asuntos mediterráneos. Sólo Cartagena, reducida a su mínima expresión urbana, sobrevive como único núcleo habitado hasta el nacimiento de Mazarrón en la segunda mitad del siglo XV.Los intereses políticos de los Reyes Católicos y la proyección de la Monarquía Hispánica en el Norte de África y el Mediterráneo occidental, recuperarán el importante papel de Cartagena y la costa murciana en el contexto geopolítico de la época. Se convirtió, en el siglo XVI, en la línea de retaguardia del gran frente abierto frente al Islam. Entonces, la costa murciana dejó de tener definitivamente un papel marginal en las maniobras políticas de la corona. / In 1245, the Castilian troops conquered Cartagena. After the attempt to achieve a strong Mediterranean projection of Castile during the reign of Alfonso X "the Wise", the coast of kingdom of Murcia becomes a vast desert. Castile, especially during the fourteenth century, has a clear misunderstanding of Mediterranean affairs. Only Cartagena, reduced to a minimum core urban, survives until the birth of Mazarrón in the second half of the fifteenth century. The political interests of the Catholic Monarchs and the projection of the Hispanic Monarchy in North Africa and the western Mediterranean, recovered the important role of Cartagena and the coast of Murcian district in the geopolitical context of the time. He became, in the sixteenth century, in rear line of the large open front face of Islam. Then, the coast of kingdom of Murcia finally stopped having a marginal role in the political maneuvers of the crown.

The port site of Berenike Troglodytica - located on the Egyptian Red Sea coast - served the spice and incense routes that linked the Mediterranean World (specifically the Roman Empire) to India, Southern Arabia and East Africa. In the Greco-Roman period the site was at the cutting edge of what was then the embryonic global economy, ideally situated as a key node connecting Indian Ocean and Mediterranean trade for almost 800 years. It is now located in an arid, marginal, hostile environment but the situation must have been very different 2300 years ago, at the time of its founding. At the time of elephant-hunting trips during the Hellenistic period before the inception of its important role in the global markets of the day in the Roman period Berenike would have to have looked much different to what we can now imagine. What was it like then, when the first prospectors visited this location at the time of Ptolemy II? Why this particular place, and this particular landscape setting seemed such a propitious location for the siting of an important new harbour? Given the importance of the port over almost a millennium it is perhaps surprising that very little is known about the different factors impacting on the foundation, evolution, heyday and subsequent decline of the city; or the size, shape, and capacity of its harbour. The intention of this research is to address this shortfall in our knowledge, to examine the drivers behind the rise and fall of this port city, and to explore the extent to which the dynamics of the physical landscape were integral to this story. Using an innovative Earth Science approach, changes in the archaeological 'coastscape' have been reconstructed and correlated with periods of occupation and abandonment of the port, shedding light on the nature, degree and directionality of human-environment interactions at the site. This work has revealed profound changes in the configuration of the coastal landscape and environment (including the sea level) during the lifespan of Berenike, highlighting the ability of people to exploit changes in their immediate environment, and demonstrating that, ultimately, the decline of the port was partly due to these landscape dynamics. To further explore these themes the landscape reconstructions have been supplemented by semi-quantitative analyses of a suite of variables likely to influence the initial siting of new ports of trade. These have shown that although the site of Berenike was ideal in terms of its coastal landscape potential, possessing a natural sheltered bay and lagoon system, the choice of location was not solely influenced by its environmental conditions. Additionally, a detailed review of vessels that plied Red Sea and Indian Ocean routes is presented here in order to better understand the design and functioning of Berenike's harbour. This serves the purpose of identifying unifying features that provide more detail about the size and draught of vessels and the potential capacity of the harbour basin. By using this multi-scalar approach it has been possible to reconstruct the 'coastscape' of the site through the key periods of its occupancy and those phases immediately before and after its operation. This has wide-ranging implications for researchers studying ancient ports along this trade network as a larger database will tease out more details about how influential the landscape was in the initial siting of the port and its subsequent use and decline.

Depuis les années 1980, des épaves de grands navires construits à clin de la fin du Moyen-Age ont été découvertes sur les littoraux des mers septentrionales et occidentales. Elles ont régulièrement suscité individuellement un intérêt de la communauté scientifique en regard de leur architecture, puisque la fin du Moyen-Age correspond historiquement à l’apparition puis à la diffusion et à l’adaptation de la construction navale à franc-bord d’origine méditerranéenne en Europe du Nord et de l’Ouest. Pourtant, la comparaison des différentes épaves entre elles pour étudier les développements de la construction navale à clin de cette période est très récente et généralement rattachée à l’analyse des épaves nouvellement trouvées.Cette thèse étudie l’ensemble des navires de plus de 20 m de long susceptibles, par leur architecture, d’avoir évolué en haute mer sur les routes du commerce lointain. En regard du contexte technique et historique, cette étude est limitée géographiquement aux mers nordiques et chronologiquement au Moyen-Age tardif et au début de la période moderne.Le navire résulte à la fois des technique de construction navale et de la demande de ses commanditaires. Durant la période d’étude envisagée dans la thèse, les marchands, qui sont également les affréteurs, constituent les principaux armateurs avec les gens de mer, marins et capitaines, qui régulièrement sont propriétaires en totalité ou en partie des grands bâtiments.De ce fait, le contexte historique, affectant les activités de commerce et de transport, contribue à expliquer les développements de la construction navale. De plus, l’analyse technique des épaves permet de comprendre comment les charpentiers de marine ont pu répondre à la demande de ces propriétaires. Pour cela, la reconstitution des épaves, comme celle de l’Aber Wrac’h 1(France), est essentielle, car les données relatives à la construction, la conception et la forme des navires fournissent des éléments de comparaison scientifique fiables en regard des typologies chronologiques et régionales et permettent de replacer le navire dans son contexte historique et socio-économique. / Since the 1980s, several wrecks of large clinker ships adting from the late Middle Ages were found on the coasts of Northern and Atlantic seas. The scientific community was regularly interested in the architecture of each site as the late Middle Ages historically corresponds to the appearance, dissemination and adaptation of the carvel shipbuilding from the Mediterranean in Northern and Western Europe. Yet the comparison of the different wrecks themselves to study the development of the clinker shipbuilding of this period is recent and usually linked to the analysis of newly found wrecks.This thesis explores all vessels over a length of 20 meters, which were able, according to their architecture, to sail on open seas for long-distance trade. Due to the technical and historical context, this study is limited geographically to the nordic seas and chronologically to the Late Middle Ages and early modern period.The ship results from the shipbuilding technology and the demand of its owners. During the late Middle Ages, the merchant class, which was the principal user, was also the main shipowner with the seafarers, sailors and captains, who regularly owned all or part of large vessels.Therefore, the historical context, affecting trade and transport activities, helps to explain the developments in shipbuilding. Therefore, technical analysis of wrecks allows understanding how the shipwrights and carpenters could meet the demand of those owners. Hence, there construction of the wreck, such as Aber Wrac’h 1 (France), is essential because the data about the building, design and shape of the vessels provide reliable scientific information for comparison in terms of chronological and regional typologies and help to place the ship in its historical, environmental and socio-economic context.