Atlas of Battles

siege, medieval

Crusader attack on Blachernae

Crusader attack on Blachernae was a siege conducted in 1101 at Constantinople, in what is now Turkey. Its exact site is not recorded; the atlas places it at Constantinople. It was part of the Crusade of 1101. The recorded result: Blachernae Palace ransacked; Crusaders removed to Anatolia. Recorded strength: Unknown against Unknown.

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Topographical map of Constantinople during the Byzantine period.
Topographical map of Constantinople during the Byzantine period.. Cplakidas, CC BY-SA 3.0, via Wikimedia Commons.
Fought1101
WhereConstantinople, Turkey41.012N, 28.976E, placed at the location, approximate
OutcomeBlachernae Palace ransacked; Crusaders removed to Anatolia
BelligerentsByzantine EmpireagainstCrusading Lombards
Part ofCrusade of 1101

Where it sits in the Crusade of 1101

Battles of Heraclea, 1101Crusader attack on Blachernae, 1101Battle of Mersivan, 110111011101Crusader attack on Blachernae, 1101
3 placed engagements of the Crusade of 1101 in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date1101 (year precision)
PlaceConstantinople, Turkey
41.012N, 28.976E
KindSiege, medieval
StrengthUnknownUnknown
Casualties and lossesFew, if any soldiers; Four lions, possibly seven leopardsSeveral killed, many others wounded
Commanders
  • Alexios I
  • Anselm IV, Archbishop of Milan
Crusader attack on BlachernaeCrusader attack on BlachernaeSiege of ConstantinopleSiege of ConstantinopleSiege of ConstantinopleSiege of ConstantinopleSiege of ConstantinopleBursaAdapazarıTekirdağLüleburgazKırklareliBilecik100 km41.012N, 28.976E
Placed at Constantinople; 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 1101

Crusader attack on Blachernae is one of 438 engagements of the 12th century in the atlas and one of 622 in present-day Turkey.

Sources

Identity, coordinates, dates and the war from Wikidata Q65076222, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Crusader attack on Blachernae (1101), revision 1370614326, 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.