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List of Byzantine inventions

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Title: List of Byzantine inventions  
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List of Byzantine inventions

The characteristic multi-domed profile of the Byzantine Hagia Sophia, the first pendentive dome in history, has shaped Orthodox and Islamic architecture alike.[1]

This is a list of Byzantine inventions. The Byzantine or Eastern Roman Empire is the modern historiographical terms created to describe the medieval Roman Empire after the fall of the western half of the Empire. Its main characteristics were Roman state traditions, Greek culture and Christian faith.[2]


  • Architecture 1
  • Warfare 2
  • See also 3
  • References 4
  • Sources 5
  • Further reading 6
  • External links 7


  • Cross-in-square: The cross-in-square was the dominant architectural form of middle Byzantine churches. Marking a decided departure from the oblong ground plan of the basilica, it has been described as "a type of church that was, in its own way, perfect".[3] The earliest extant example being the Theotokos church in Constantinople (907/908), its development can be traced back with a fair degree of certainty at least to the Nea Ekklesia, consecrated in 880/881.[4]
  • Pendentive dome: Generally speaking, a pendentive is a construction solution which allows a circular dome to be built atop a rectangular floor plan. While preliminary forms already evolved in Roman dome construction,[5] the first fully developed pendentive dome dates to the reconstruction of the Hagia Sophia in 563.[6] Devised by Isodorus the Younger, the nephew of the first architect Isidore of Miletus, the in-circle design, with a maximum diameter of 31.24 m, remained unsurpassed until the Renaissance (see Florence Cathedral).[1] The Hagia Sophia became the paradigmatic Orthodox church form and its architectural style was emulated by Turkish mosques a thousand years later.[1]
  • Pointed arch bridge: The earliest known bridge resting on a pointed arch is the 5th or 6th century AD Karamagara Bridge in Cappadocia.[7] Its single arch of 17 m spanned an affluent of the Euphrates.[8] A Greek inscription, citing from the Bible, runs along one side of its arch rib.[9] The structure is today submerged by the Keban Reservoir.[10]


  • Counterweight trebuchet: The earliest written record of the counterweight trebuchet, a vastly more powerful design than the simple traction trebuchet,[11] appears in the work of the 12th-century historian Niketas Choniates. Niketas describes a stone projector used by future emperor Andronikos I Komnenos at the siege of Zevgminon in 1165. This was equipped with a windlass, an apparatus required neither for the traction nor hybrid trebuchet to launch missiles.[12] Chevedden hypothesizes that the new artillery type was introduced at the 1097 Siege of Nicaea when emperor Alexios I Komnenos, an ally of the besieging crusaders, was reported to have invented new pieces of heavy artillery which deviated from the conventional design and made a deep impression on everyone.[13]
  • Hand-trebuchet: The hand-trebuchet (cheiromangana) was a staff sling mounted on a pole using a lever mechanism to propel projectiles. Basically a portable trebuchet which could be operated by a single man, it was advocated by emperor Nikephoros II Phokas around 965 to disrupt enemy formations in the open field. It was also mentioned in the Taktika of general Nikephoros Ouranos (ca. 1000), and listed in the Anonymus De obsidione toleranda as a form of artillery.[14]
  • Greek fire: The invention and military employment of Greek fire played a crucial role in the defense of the empire against the early onslaught of the Muslim Arabs. Brought to Constantinople by a refugee from Syria by the name of Kallinikos,[15] the incendiary weapon came just in time to save the capital from the Muslim sieges of 674–678 and 717–718, which might have otherwise proven fatal to the Byzantine state.[16]
Greek fire, referred to by Byzantine chroniclers as "sea fire" or "liquid fire",[17] was primarily a naval weapon, used in ship-to-ship battle against enemy galleys. The exact composition was a well-guarded state secret, to the point that modern scholars continue to debate its ingredients, but the main method of projection is fairly clear, indicating effectively a flame-thrower: The liquid mixture, heated in a brazier and pressurized by means of a pump, was ejected by an operator through a siphon in any direction against the enemy.[18] Alternatively, it could be poured down from swivel cranes or hurled in pottery grenades.[19]
Greek fire held a fearsome reputation among Byzantium's numerous enemies who began to field – probably differently composed – combustibles of their own.[20] It was, however, no wonder weapon, but dependent on favourable conditions such as a calm sea and wind coming from behind.[21] When and how the use of Greek fire was discontinued is not exactly known. According to one theory, the Byzantines lost the secret due to over-compartmentalization long before the 1204 sack of Constantinople.[22]
  • Incendiary grenade: Grenades appeared not long after the reign of Leo III (717–741), when Byzantine soldiers learned that Greek fire could not only be projected by flamethrowers, but also be thrown in stone and ceramic jars.[23] Larger containers were hurled by catapults or trebuchets at the enemy, either ignited before release or set alight by fire arrows after impact.[24] Grenades were later adopted for use by Muslim armies: Vessels of the characteristic spheroconical shape which many authors identify as grenade shells were found over much of the Islamic world,[25] and a possible workshop for grenade production from the 13th century was excavated at the Syrian city of Hama.[26]
  • Flamethrower: for ship-borne flamethrowers, see Greek fire above. Portable hand-siphons were used in land warfare.

  • Icon: Icons are images of holy beings such as Jesus, Mary and the saints which, painted according to certain traditional rules, have been playing a pivotal role in Orthodox Church veneration since its early days. The most distinctive Byzantine form are representations on portable wooden panels painted in the Hellenistic techniques of tempera or encaustic. Other varieties include (precious) metal reliefs or mosaic-style panels set with tesserae of precious stones, gold, silver and ivory. The use of icons was violently opposed during the iconoclastic controversy which dominated much of Byzantium's internal politics in the 8th and 9th centuries, but was finally resumed by the victorious iconodules. Only few early icons have survived the iconoclasm, the most prominent examples being the 6th–7th century collection from Saint Catherine's Monastery.[27]
  • Ship mill: The historian Procopius records that ship mills were introduced by Belisarius during the siege of Rome (537/538), initially as a makeshift solution. After the Ostrogoths had interrupted the water-supply of the aqueducts on which the city was dependant to run its gristmills, Belisarius ordered riverboats to be fitted with mill gearing; these were moored between bridge piers where the strong current powered the water wheels mounted on the vessel. The innovative use quickly found acceptance among medieval watermillers, reaching Paris and the Frankish Realm only two decades later.[28]

See also


  1. ^ a b c Heinle & Schlaich 1996, p. 32
  2. ^ Kinder & Hilgemann 1989, p. 139
  3. ^ Ousterhout 1996, p. 25
  4. ^ Lange 1986, p. 93, fn. 4
  5. ^ Rasch 1985, pp. 129f.
  6. ^ Heinle & Schlaich 1996, pp. 30–32
  7. ^ Date: Galliazzo 1995, p. 92; O’Connor 1993, p. 129; Hild 1977, p. 145; Hellenkemper 1977–1999, pp. 730f.; Guillou 1993, p. 36; Mango 1976, p. 129; Tunç 1978, p. 108
  8. ^ Galliazzo 1995, p. 92; O’Connor 1993, p. 129
  9. ^ Hild 1977, p. 145
  10. ^ Galliazzo 1995, p. 92
  11. ^ Chevedden 2000, pp. 73–76
  12. ^ Chevedden 2000, p. 86
  13. ^ Chevedden 2000, pp. 76–86; 110f.
  14. ^ Chevedden 2000, p. 110
  15. ^ Pryor & Jeffreys 2006, p. 607
  16. ^ Haldon & Byrne 1977, p. 91
  17. ^ Pryor & Jeffreys 2006, pp. 608f.; Ellis Davidson 1973, pp. 61f.
  18. ^ Haldon & Byrne 1977, p. 93
  19. ^ Pryor & Jeffreys 2006, pp. 378f., 609
  20. ^ Pryor & Jeffreys 2006, pp. 609–617
  21. ^ Pryor & Jeffreys 2006, p. 384
  22. ^ Roland 1992, pp. 655–679
  23. ^ Forbes 1964, p. 107
  24. ^ Pászthory 1986, p. 32
  25. ^ Pentz 1988, pp. 89f.
  26. ^ Pentz 1988, p. 93
  27. ^ Kazhdan 1991, pp. 977–981; Pentcheva 2010, pp. 265–283
  28. ^ Wikander 2000, pp. 383f.


  • Chevedden, Paul E. (2000), "The Invention of the Counterweight Trebuchet: A Study in Cultural Diffusion",  
  • Forbes, R. J. (1964), Studies in Ancient Technology 1 (2nd ed.), Leiden: E. J. Brill, p. 107 
  • Galliazzo, Vittorio (1995), I ponti romani, Vol. 1, Treviso: Edizioni Canova, pp. 92, 93 (fig. 39),  
  • Guillou, André (1993), La Civiltà bizantina, oggetti e messagio, Rome: L'Erma di Bretschneider, pp. 36, 62 (fig. 24),  
  • Haldon, J.; Byrne, M. (1977), "A Possible Solution to the Problem of Greek Fire", Byzantinische Zeitschrift 70 (1): 91–99,  
  • Heinle, Erwin; Schlaich, Jörg (1996), Kuppeln aller Zeiten, aller Kulturen, Stuttgart,  
  • Hellenkemper, H. (1977–1999), "Brücke: Byzantinischer Brückenbau",  
  • Hild, Friedrich (1977), "Das byzantinische Strassensystem in Kappadokien", in  
  • Kinder, Hermann; Hilgemann, Werner, eds. (1989), dtv-Atlas zur Weltgeschichte, Von den Anfängen bis zur Französischen Revolution 1 (23rd ed.), München: Deutscher Taschenbuch Verlag,  
  • Lange, Dorothea (1986), "Theorien zur Entstehung der byzantinischen Kreuzkuppelkirche", Architectura 16: 93–113 
  • O’Connor, Colin (1993), Roman Bridges, Cambridge University Press, p. 129 (E38),  
  • Ousterhout, Robert (1996), "An Apologia for Byzantine Architecture", Gesta 35 (1): 21–33,  
  • Pászthory, Emmerich (1986), "Über das "Griechische Feuer". Die Analyse eines spätantiken Waffensystems", Antike Welt 17 (2): 27–37 
  • Pentcheva, Bissera V. (2010), "What is a Byzantine Icon? Constantinople versus Sinai", in Stephenson, Paul, The Byzantine World, Taylor & Francis, pp. 265–283,  
  • Pentz, Peter (1988), "A Medieval Workshop for Producing 'Greek fire' Grenades",  
  • Pryor, John H.; Jeffreys, Elizabeth M. (2006), The Age of the ΔΡΟΜΩΝ. The Byzantine Navy ca. 500–1204, The Medieval Mediterranean. Peoples, Economies and Cultures, 400–1500 62, Brill Academic Publishers,  
  • Rasch, Jürgen (1985), "Die Kuppel in der römischen Architektur. Entwicklung, Formgebung, Konstruktion", Architectura 15: 117–139 
  • Roland, Alex (1992), "Secrecy, Technology, and War: Greek Fire and the Defense of Byzantium, 678-1204",  
  • Tunç, Gülgün (1978), Tas Köprülerimiz, Ankara, p. 108 

Further reading

  • Dennis, George T. (1997), "Were the Byzantines Creative or Merely Imitative?", Byzantinische Forschungen 24: 1–9 

External links

  • Mlahanas: Byzantine Science and Technology

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