Atlas of Battles

battle, ancient

Battle of Protopachium

Battle of Protopachium was a battle fought in 89 BC at Bithynia, in what is now Turkey. It was part of First Mithridatic War, which ran from 89 BC to 85 BC. The recorded result: Pontic victory. Recorded strength: 250,000 infantry against 40,000 infantry.

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خريطة توضح آسيا الصغري في وقت الحرب العصيبة الأولى
خريطة توضح آسيا الصغري في وقت الحرب العصيبة الأولى. William Robert Shepherd, Public domain, via Wikimedia Commons.
Fought89 BC
WhereBithynia, Turkey41.600N, 35.000E
OutcomePontic victory
BelligerentsPontic Empire; Kingdom of ArmeniaagainstRoman Republic; Kingdom of Bithynia
Casualties and lossesLowand10,000 infantry
Part ofFirst Mithridatic War89 BC to 85 BC

Where it sits in First Mithridatic War

Battle of the River Amnias, 89 BCBattle of Protopachium, 89 BCBattle of Mount Scorobas, 88 BCSiege of Rhodes, 88 BCBattle of Delos, 88 BCBattle of Chaeronea, 87 BCSiege of Athens, 87 BCBattle of Chaeronea, 86 BCBattle of Orchomenus, 86 BCBattle of Tenedos, 86 BC89 BC86 BCBattle of Protopachium, 89 BC
10 placed engagements of First Mithridatic War in time order; taller ticks are more widely documented. Each tick is a link.

Record

Date89 BC (year precision)
PlaceBithynia, Turkey
41.600N, 35.000E
KindBattle, ancient
Territorial changeMithridates expands his empire into Bithynia
Strength250,000 infantry40,000 infantry
Casualties and lossesLow10,000 infantry
Commanders
  • Mithridates VI Eupator
  • Manius Aquillius (consul 101 BC)
  • Nicomedes IV of Bithynia
Battle of ProtopachiumBattle of ProtopachiumBattle of SinopSiege of SinopeSiege of SinopeBattle of HalysBombardment of SamsunBattle of SinopSiege of SinopeSiege of SinopeBombardment of SamsunAmasyaCorumÇankırıKastamonu100 km41.600N, 35.000E
The recorded site, 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 89 BC

Battle of Protopachium is one of 166 engagements of the 1st century BC in the atlas and one of 687 in present-day Turkey.

Sources

Identity, coordinates, dates and the war from Wikidata Q15710625, released under CC0. Result, belligerents, commanders, strength and casualties from the infobox of the English Wikipedia article Battle of Protopachium, revision 1370272330, 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.