Atlas of Battles

siege, medieval

Sack of Thessalonica

Sack of Thessalonica was a siege conducted in 1185 at Thessaloniki, in what is now Greece. It was part of the Byzantine–Norman Wars, which ran from 1039 to 1189. The recorded result: Sicilian victory; Thessalonica sacked. Recorded strength: Unknown against 80,000 men; 200 ships.

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Sack of Thessalonica
Wikimedia Commons, CC BY-SA 3.0, via Wikimedia Commons.
Fought1185
WhereThessaloniki, Greece40.633N, 22.950E
OutcomeSicilian victory; Thessalonica sacked
BelligerentsByzantine Empire; Alan and Georgian mercenariesagainstKingdom of Sicily
Casualties and losses7,000 soldiers and civiliansand3,000 soldiers
Part ofByzantine–Norman Wars1039 to 1189

Where it sits in the Byzantine–Norman Wars

Siege of Bari, 1068Battle of the Zompe Bridge, 1074Battle of Dyrrhachium, 1081Battle of Larissa, 1083Siege of Dyrrhachium, 1107Siege of Antioch, 1137Battle of Brindisi, 1156Sack of Thessalonica, 1185Battle of Demetritzes, 118510681185Sack of Thessalonica, 1185
9 placed engagements of the Byzantine–Norman Wars in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date1185 (year precision)
PlaceThessaloniki, Greece
40.633N, 22.950E
KindSiege, medieval
StrengthUnknown80,000 men; 200 ships
Casualties and losses7,000 soldiers and civilians3,000 soldiers
Commanders
  • John Maurozomes
  • Richard, Count of Acerra
  • Tancred of Sicily
Sack of ThessalonicaSack of ThessalonicaSiege of ThessalonicaSiege of ThessalonicaSiege of ThessalonicaSiege of ThessalonicaSiege of ThessalonicaSiege of ThessalonicaLarissaBitolaIoaninaSeresKateriniXanthiKavala100 km40.633N, 22.950E
The recorded site, with the nearest other engagements in the atlas. Present-day coastlines, rivers and borders; towns from Natural Earth.

Nearest engagements

Contested ground: this site was fought over 16 times between AD 254 and 1422.

In the same war

Elsewhere in 1185

Sack of Thessalonica is one of 438 engagements of the 12th century in the atlas and one of 493 in present-day Greece.

Sources

Identity, coordinates, dates and the war from Wikidata Q2154485, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Sack of Thessalonica (1185), revision 1382211868, 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.