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This article analyzes the scale, fluctuations and geographical distribution of olive (Olea europaea) cultivation in Palestine over 550 years, from the Late Mamluk period (1300–1517), through the Ottoman era (1517–1917), until the end of the British Mandate in 1947. Although olive oil played a dominant role in the diet and the local economy, there is currently no research that measures and quantifies the number of olive trees or the number of villages and towns that cultivated olive trees and produced olive oil. We reconstruct the agricultural landscape with its vast olive groves and examine the cultural history of olive tree farming, the growth of the olive oil industries and their economic role and importance. The earliest figures we have, that are from the year 1596, show that 400 villages cultivated 1,400,794 olive trees. By 1943, there were 6,053,367 olive trees that were cultivated by 644 villages. We found a strong correlation (R2 = 0.96, p < 0.01) between the number of olive trees and the number of villages, indicating that olive oil demand and the olive oil industry align with population size. The research data derives from a variety of medieval local chroniclers, as well as diaries by European, North African and Middle Eastern travelers who provide descriptions of olive groves and the olive oil industry. Among the most important sources are the 1596 Ottoman tax registers. The tax registers are the first document that present clear-cut figures on the numbers of olive trees, olive presses and the names of the villages that cultivated olive groves. The main sources for the last period dealt with in this study are the British Mandate maps (1943), which display the acreage of the different crops across Palestine. The data from the maps is supplemented by two modern works on olive cultivation written by agronomists Assaf Goor (b. 1894) and Ali Nasouh (b. 1906) who were born in Palestine and employed by the British department of agriculture. The analysis of data shows that demands of local and oversea markets; the olive oil soap industry, which was based on the local olive oil; as well as competing agricultural crops like sugarcane, cotton and citrus, contributed to a complex economic structure. Olive tree cultivation did not depend on government investment. Olive groves in Palestine were rain fed, and, except for the harvest, they required relatively few working days a year. Hence, moderate policies (low taxation during periods of drought and low yields) adopted by enterprising local rulers and the central British government created a unique and relatively balanced relationship between rulers and farmers, which encouraged olive cultivation and led to a constant increase in the number of olive trees and the development of the olive oil industry.

This study examines environmental disasters in the Levant. The data is drawn from contemporary sources. The main aim is to determine the long and short-term repercussions of environmental disasters on the regional affairs during the Crusader, Ayyubid and Mamluk periods.

During much of the twelfth century the Crusaders dominated the military scene in the Levant. The unification of Egypt and Syria by Saladin gradually changed the balance of power, which slowly begun to tilt in favour of the Muslims. This book examines the development and role of Muslim fortresses in the Levant at the time of the Crusaders and the Mongol invasion, situating the study within a broad historical, political and military context. Exploring the unification of Egypt with a large part of Syria and its effect on the balance of power in the region, Raphael gives a historical overview of the resulting military strategies and construction of fortresses. A detailed architectural analysis is based on a survey of four Ayyubid and eight Mamluk fortresses situated in what are today the modern states of Jordan, Israel, Southern Turkey and Egypt (the Sinai Peninsula). The author then explores the connection between strongholds or military architecture, and the development of siege warfare and technology, and examines the influence of architecture and methods of rule on the concept of defence and the development of fortifications. Drawing upon excavation reports, field surveys and contemporary Arabic sources, the book provides the Arabic architectural terminology and touches on the difficulties of reading the sources. Detailed maps of the fortresses in the region, the Mongol invasion routs, plans of sites and photographs assist the reader throughout the book, providing an important addition to existing literature in the areas of Medieval Archaeology, Medieval military history and Middle Eastern studies. Kate Raphael is a postdoctoral researcher in the Department of Earth and Sciences at the Hebrew University of Jerusalem, Israel. She received her PhD in Medieval Islamic studies at the Hebrew University of Jerusalem, and her research currently focuses on environmental disasters in the Medieval Middle East. Introduction 1. Ayyubid Fortresses in the Late Twelfth and Early Thirteenth Centuries: Muslims' Apprenticeship 2. Mongolian Siege Warfare and the Defense of Mamluk Fortresses 3. Laying the Foundations: Fortification Work Conducted during the Reign of Baybars (1260-1277), Qalāwūn (1280-1290) and Al-Ashraf Khalīl (1290-1293) 4. Mamluk Power on Display: Fortifications in the Second Half of the Thirteenth Century 5. Military Architecture versus Political and Military Organization

The authors present new research on the Chifeng area of north-eastern China where they have been studying the remains of a society of the second millennium BC. This northern region, which saw the introduction of agriculture at the same time as the Yellow River basin experienced a brief and intensive period of fortification in the Late Neolithic/Early Bronze Age: natural ridges above the valleys were ringed with double stone walls and semicircular towers enclosing clusters of round houses with yards. Using large-scale survey and analysis of the structures at the key site of Sanzuodian, they place this phenomenon in its cultural and social context.

This article discusses the Mongol approach to warfare, then goes on to consider the Mongols' conversion to the notion that they would have to develop a siege train, since walled cities cannot easily be taken by a cavalry charge. The contribution of Chinese siege engineers is discussed, and there is a survey of Chinese siege techniques as they evolved before the Mongol period. The author considers the evidence for the use of inflammable materials, and then moves to the question of gunpowder. The widespread (not quite universal) consensus that the Chinese used gunpowder is discussed, and then attention moves to Hulegu's expedition to western Asia in the 1250s. It is pointed out that none of the major sources seems to imply the use of anything that might be construed as gunpowder technology during those campaigns. Lastly, the author considers, in some detail, sieges conducted by the Ilkhanid Mongols against Mamluk border strongholds during the succeeding decades, drawing attention to and explaining those sieges' increasing lack of success.