Atlas of Battles

siege, medieval

Siege of Arsamosata

Siege of Arsamosata was a siege conducted in AD 837 at Arsamosata, in what is now Turkey. Its exact site is not recorded; the atlas places it at Arsamosata. It was part of the Arab–Byzantine wars, which ran from AD 629 to 1050. The recorded result: Byzantine victory; Melitene pays tribute to Byzantium. Recorded strength: Total: 100,000 men (exaggerated figure); 70,000 soldiers; 30,000 servants against Garrison: Unknown; Relief forces: 10,000+.

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FoughtAD 837
WhereArsamosata, Turkey38.661N, 39.511E, placed at the location, approximate
OutcomeByzantine victory; Melitene pays tribute to Byzantium
BelligerentsByzantine EmpireagainstAbbasid Caliphate Emirate of Melitene
Casualties and lossesUnknownandEntire Garrison; Relief forces: 8,000+
Part ofArab–Byzantine warsAD 629 to 1050

Where it sits in the Arab–Byzantine wars

Battle of Mu'tah, AD 629Siege of Germanicia, AD 638Battle of Caesarea, AD 654Battle of the Masts, AD 655Siege of Constantinople, AD 674Cilician Campaign of Constantine IV, AD 684Caucasian Campaigns of Leontius, AD 686Battle of Sebastopolis, AD 692Battle of Marash, AD 694Heraclius' Syrian Campaign, AD 698Battle of Sis, AD 704Siege of Tyana, AD 707Battle of Amorium, AD 708Siege of Constantinople, AD 717Battle of Adrianópolis, AD 718Umayyad invasions of Asia Minor, AD 720Siege of Nicaea, AD 727Battle of Akroinon, AD 732Battle of Akroinon, AD 740Umayyad invasion of Asia Minor, AD 741Battle of Keramaia, AD 746Battle of Melas River, AD 759Siege of Kamacha, AD 766Battle of Syca, AD 771Siege of Ancyra, AD 776Germanikeia Campaign, AD 778Abbasid invasion of Asia Minor, AD 779Abbasid invasion of Asia Minor, AD 780Battle of Caesarea, AD 781Abbasid invasion of Asia Minor, AD 782Battle of Kopidnadon, AD 788Battle of Gulf of Attaleia, AD 790Capture of Thebasa, AD 793Battle of Anusan, AD 795Abbasid invasion of Asia Minor, AD 798Battle of Krasos, AD 804Abbasid invasion of Asia Minor, AD 806Battle of the Cilician Gates, AD 807Battle of Ancyra, AD 825Battle of Charsianon, AD 831Abbasid invasion of Asia Minor, AD 831Capture of Loulon, AD 832Siege of Arsamosata, AD 837Battle of Anzen, AD 838Sack of Amorium, AD 838Abū Sa'īd's invasions of Asia Minor, AD 839Battle of Taranto, AD 840Battle of Sansego, AD 842Battle of Mauropotamos, AD 844Sack of Damietta, AD 853Siege of Samosata, AD 859Battle of Chonarion, AD 860Capture of Farurriyah, AD 862Battle of Lalakaon, AD 863Siege of Ragusa, AD 866Battle of Bathys Ryax, AD 872Battle of Kardia, AD 872Battle of the Gulf of Corinth, AD 873Thughur Campaign of Basil I, AD 873Battle of the Cilician Gates, AD 878Battle of Podandus, AD 878Germanikeia Campaign, AD 879Battle of Cephalonia, AD 880Battle of Stelai, AD 880Siege of Euripos, AD 880Campaign of Melitene, AD 882Battle of Chrysoboullon, AD 883Sack of Thessalonica, AD 904Siege of Dvin, AD 927Battle of Charpete, AD 938John Kourkouas' Mesopotamian campaign, AD 942Battle of Germanikeia, AD 949Battle of Bouqa, AD 949Siege of Theodosiopolis, AD 949Battle of the Lycus, AD 950Battle of Darb al-Kankarun, AD 950Battle of Gerace, AD 952Battle of Marash, AD 953Siege of Hadath, AD 955Battle of Arghana, AD 956Battle of Raban, AD 958Siege of Naples, AD 958Battle of Andrassos, AD 960Sack of Aleppo, AD 962Siege of Rometta, AD 963Battle of the Straits, AD 965Siege of Antioch, AD 968Siege of Antioch, AD 970Battle of Alexandretta, AD 971Battle of Amida, AD 972Syrian campaigns of John Tzimiskes, AD 974Syrian Campaigns of Bardas Phokas the Younger, AD 981Siege of Aleppo, AD 994Battle of the Orontes, AD 994Battle of Apamea, AD 998Siege of Tripoli, AD 999Battle of Azaz, 1030Sieges of Berkri, 1034Capture of Palermo, 1036Siege of Edessa, 1036Capture of Messina, 1038Battle of Rometta, 1038Battle of Dranginai, 1040Siege of Messina, 1041Laodikeia Campaign, 1050Siege of Medina, 1053Siege of Manbij, 1075AD 6291075Siege of Arsamosata, AD 837
107 placed engagements of the Arab–Byzantine wars in time order; taller ticks are more widely documented. Each tick is a link.

Record

DateAD 837 (year precision)
PlaceArsamosata, Turkey
38.661N, 39.511E
KindSiege, medieval
StrengthTotal: 100,000 men (exaggerated figure); 70,000 soldiers; 30,000 servantsGarrison: Unknown; Relief forces: 10,000+
Casualties and lossesUnknownEntire Garrison; Relief forces: 8,000+
Commanders
  • Theophilos (emperor)
  • Theophobos
  • Manuel the Armenian
  • Alexios Mosele (Caesar)
  • Umar al-Aqta
Siege of ArsamosataSiege of ArsamosataSiege of AmidaSiege of AmidaSiege of AmidaBattle of MeliteneSiege of KamachaSiege of AmidaSiege of AmidaSiege of AmidaBattle of MeliteneSiege of KamachaAdıyamanErzincanMuşElâzığBingölTunceli100 km38.661N, 39.511E
Placed at Arsamosata; the exact site is not recorded. with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

In the same war

Elsewhere in AD 837

Siege of Arsamosata is one of 193 engagements of the 9th century in the atlas and one of 687 in present-day Turkey.

Sources

Identity, coordinates, dates and the war from Wikidata Q139892624, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Siege of Arsamosata (837), revision 1370738980, read 2026-11-14, licensed CC BY-SA 4.0; the article's text is not reproduced here. Present-day country and state from Natural Earth. Dates before 1582 follow the Julian calendar as recorded.