Contents 8
Preface and acknowledgements 14
Conventions of transcription, translations, references and resources 18
List of Maps 22
Part one 30
MILITARY ORGANIZATION AND SIEGE WARFARE 30
Introduction 32
0.1 Historiography 33
0.1.1 Exceptionalism, Eastern and Western 33
0.1.2 The (Even More) Exceptional Rise of Islam 37
0.2 Methodological and Theoretical Approaches 41
0.2.1 Thick and Thin Descriptions 41
0.2.2 Co-evolution and Continuity 45
0.2.3 Technological Diffusion: The Cultural and Institutional Foundations 47
0.2.4 Construction of Identity and the Diffusion of Knowledge and Technology 49
0.3 Sources and Limitations 50
0.3.1 Limitations 50
0.3.2 General Observations 52
0.3.3 Greek Sources 54
0.3.4 Syriac Sources 56
0.3.5 Arabic and Other Eastern Sources 58
0.3.6 Latin Sources 58
0.4 Structure of the Argument 60
Chapter One 65
AN AGE OF TRANSITION 65
From the Fall of the Roman West to
the Early Middle Ages 65
1.1 From Late Roman to “Barbarian” Poliorcetics 65
1.1.1 Late Roman Siege Warfare 66
1.1.2 The Thin Description: Visigoths and Romans, 376-474 70
1.1.3 The Thick Description: Huns and Romans, 441-452 77
1.2 From Emergency Measures to New Institutions 80
1.2.1 The Regular Army in the 5th Century 80
1.2.2 New Ways of Recruiting Troops 84
1.2.3 The Military Following (obsequium) in East Roman Warfare 87
1.2.4 The Rise of Private Military Forces in the West 94
1.2.5 The Origins of Medieval Military Obligations: Munera Publica 98
1.3 Where Did All the Romans Go? The Military Implications of Ethnogenesis 105
1.3.1 Roman Influences beyond the Frontier 106
1.3.2 Civil Wars by Proxy and the Involution of the Frontier 109
1.3.3 The Legions on the Rhine Become Franks 115
1.3.4 The Last Roman Civil Wars in the West, 496-511 121
1.4 Conclusion: From Emergency Measures to Medieval Institutions 123
Chapter two 125
EAST ROME TO BYZANTIUM: Survival and Renewal of Military Institutions 125
2.1 Continuity and Change in East Roman Warfare and Society, 450-800 125
2.1.1 The Strategic Situation of the East Roman Empire: A Brief Overview 126
2.1.2 The East Roman Army in the 5th and 6th Centuries 128
2.1.3 The “Two Hundred Years’ Reform,” or before the Thematic System 134
2.1.4 From Late Roman client management towards a Byzantine Commonwealth 142
2.2 Organization of Siege Warfare I: The Army 146
2.2.1 Specialist Skills among the Regular Troops 146
2.2.2 Military Engineers 147
2.2.3 New Developments from the Late 6th Century 150
2.3 The Many Faces of East Roman Siege Warfare: The Example of the Anastasian War 154
2.3.1 The Background to the Anastasian War and the East around 500 155
2.3.2 Abject Surrender: *Theodosiopolis and *Martyropolis 502 156
2.3.3 Fierce but Flawed Resistance: *Amida (502-3) 157
2.3.4 Multiple Approaches: *Constantina-Tella 502-03 161
2.3.5 Complex Operations against Country and City: *Edessa 502-03 162
2.3.6 Complex Operations and the Fog of War: *Amida 503-04 164
2.4 Organization of Siege Warfare II: The Militarization of Society 166
2.4.1 The Construction of Dara, 505-06 166
2.4.2 Civilian Cooperation in the 6th Century 170
2.4.3 Use of Civilians in the 7th and 8th Centuries 174
2.5 Conclusion 178
Chapter three 180
The Successor States in the West: Ostrogoths, Visigoths, and Lombards 180
3.1 The Ostrogoths, 493-554 180
3.1.1 Ostrogothic Ethnogenesis 181
3.1.2 Strategic Situation 183
3.1.3 Military Organization 184
3.1.4 Logistics: Adminstration, Labor and Supplies 188
3.1.5 Ostrogothic Siege Warfare 193
3.2 The Visigoths in Spain, 508-711 195
3.2.1 Strategic Situation of the Visigothic Kingdom of Toledo 196
3.2.2 Visigothic Military Organization 197
3.2.3 Visigothic Siege Warfare 204
3.3 The Lombards 207
3.3.1 Ethnogenesis on the Middle Danube 207
3.3.2 The Lombards in Italy 210
3.3.3 Lombard Military Organization 214
3.3.4 Lombard Siege Warfare 219
3.4 Conclusion: From Clients to Kingdoms 221
Chapter four 223
The Last Legions on the Rhine: Siege Warfare in the Frankish Kingdoms 223
4.1 Frankish Warfare and Military Organization in the 6th Century 223
4.1.1 The Problem of Gregory of Tours 224
4.1.2 The Establishment of Frankish Burgundy and Wars with the Visigoths, 534-89 227
4.1.3 Austrasian Interventions in Italy, 538-90 231
4.1.4 Frankish Civil Wars 237
4.1.5 Military Organization and Siege Logistics in the 6th Century 242
4.2 The 7th Century: Ascendancy of Military Followings and
Proprietal Warfare 255
4.2.1 Fredegar, the Liber Historiae Francorum, and the United Frankish Kingdom 255
4.2.2 Bishops, Magnates and Monasteries 260
4.2.3 Late Merovingian Siege Warfare 263
4.3 The Carolingian Ascendancy in the 8th Century 265
4.3.1 The Debate Revisited 266
4.3.2 Size, Composition, and Distribution of Carolingian Military Forces 269
4.3.3 Objectives and Means: Charles Martel and Pippin the Short 276
4.3.4 Organization and Supplies: Charlemagne and Louis 281
4.4 Conclusion 285
Chapter five 287
The Anatomy of a Siege: Tactics and Technology 287
5.1 Siege Strategy and Tactics: Basic Definitions 287
5.1.1 The Blockade 290
5.1.2 The Storm 295
5.2 Siege Tactics 298
5.2.1 The Basic Approach: Archery and Ladders 299
5.2.2 Artillery 303
5.2.3 Siegeworks: Camps and Encircling Fortifications 309
5.2.4 Siegeworks: Firing Platforms—Mounds and Towers 312
5.2.5 Wallbreaking: Machines 314
5.2.6 Wallbreaking: Engineering 317
5.3 Defensive Responses 320
5.3.1 Technological Responses 320
5.3.2 Sorties 321
5.3.3 Relieving Armies 324
5.4 Conclusion: Towards a Thick Description of Sieges 326
Chapter six 330
The Anatomy of a Siege: Economy, Society and Culture 330
6.1 The Topographies of a Siege 330
6.1.1 Defensive Topography: Infrastructure and Fortifications 331
6.1.2 The Topography of Settlement: City and Country in the “Dark Ages” 338
6.1.3 Cultural Topographies: Morale and Ritual under Siege Conditions 347
6.2 The Urban Community at War 357
6.2.1 The Politics of a Siege: Loyalty and Dissension 358
6.2.2 Societies at War: Garrisons and Civilians 367
6.2.3 Specialists at War 374
6.3 Ending the Siege 378
6.3.1 Consequences of Survival 379
6.3.2 Consequences of Fall 381
6.4 Conclusion: Deconstructing, or Reconstructing, Thin Sources 388
Chapter seven 391
Appropriation of Military Infrastructure and Knowledge 391
7.1 The Hunnic, Persian and Visigothic Templates 392
7.1.1 Client Integration and State Formation: The Visigoths 392
7.1.2 Inter-state Transfers: The Sassanids 394
7.1.3 Conquest Appropriation: The Huns under Attila 396
7.2 The Balkans, 530-825: From Client Assimilation to Conquest Appropriation and Back 400
7.2.1 Huns as Clients: Utigurs, Kotrigurs, Sabirs and Bulgars in the 6th Century 400
7.2.2 Slavs and Appropriation 402
7.2.3 Avars and Appropriation 409
7.2.4 The Bulgars, 680-825 414
7.2.5 On Northwestern Peripheries: Western Slavs, Saxons and Danes 418
7.3 The Arabs and Islam: Appropriating and Domesticating the Late Antique System 420
7.3.1 Background and Early Events 421
7.3.2 The Sources of Expertise 423
7.4 Conclusion: From Appropriation to Domestication 436
Chapter eight 437
Diffusion of the Traction Trebuchet 437
8.1 State of the Question: Historiography and Technical Aspects 437
8.1.1 Historiography of the Traction Trebuchet 437
8.1.2 Technical Aspects of the Traction Trebuchet 440
8.2 The Philological Evidence 441
8.2.1 Generic, Classicizing and Uncertain Terms 442
8.2.2 Manganon and Its Derivatives 444
8.2.3 Descriptive and Functional Terms 448
8.3 The Diffusion of the Traction Trebuchet: The Historical Context 450
8.3.1 The Early Introduction of the Traction Trebuchet: Diffusion or Independent Invention? 450
8.3.2 The Wider Diffusion of the Traction Trebuchet within the Former Roman World 453
8.4 Epilogue 456
Appendix one 461
Reconstructing the Arab invasion of Palestine and Syria from contemporary sources and the importance of Arab siege warfare 461
Appendix Two 465
‘Iyad ibn-Ghanm’s invasion of Armenia in 640 and
the Arab capacity for storming cities without heavy siege engines. 465
Appendix Three 470
Arab grand strategy, 663-669: ‘Abd al-Rahman ibn Khalid’s invasion, Saporios’ revolt, and the battle for Anatolia 470
Part two
486
corpus obsidionum 486
Conventions adopted 488
The 5th Century 491
The 6th Century 515
The 7th Century 644
The 8th Century 724
The Early 9th Century 785
Bibliography 796
Abbreviations of Series, Reference and Collective Works 796
Sources 799
Secondary literature 803
Index Obsidionum 820
General Index 842
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