Battle
A forced return to a constricted bank, a local breakthrough and a king's flight
Military history
At Issus, Alexander did not win through a simple accumulation of military advantages. Darius had moved his army behind the Macedonians, then deployed it along a bank of the Pinarus in a coastal corridor bounded by the sea and the Amanus. This configuration limited the simultaneous deployment of the Persian host, but did not neutralize its power: Persian cavalry pressed the wing nearest the sea, while the Greek mercenaries endangered the Macedonian center. The breakthrough against the Persian wing by the Macedonian right, followed by Darius's flight, turned this crisis into victory and the capture of the royal camp, without destroying the Persian army outright.
After passing through Cilicia, Darius crosses the Amanic or Bahçe Pass and reaches Issus behind the Macedonian army. According to Arrian, the men left at Issus are killed; Alexander verifies the intelligence from the coast and brings his army back north. The battle therefore arises from a reversal of direction, unlike an encounter prepared on ground chosen by Alexander.
Darius had initially enjoyed more open ground in northern Syria, but his move into Cilicia placed him on a confined coastal plain. The Pinarus, the sea and the Amanus foothills gave the defender a partly constrained line, but also reduced the ability to deploy all the cavalry and reserves at once. The exact relationship between the ancient river and modern watercourses remains a problem of historical topography.
The numerical disparity is real within the tradition, but the totals are not settled. Hammond finds just over 30,000 men in Arrian's enumeration, while Lendering gives roughly 41,000 infantry and 6,000 cavalry. The hundreds of thousands attributed to Darius by ancient authors cannot be converted into a single modern total; the map therefore shows positional relationships, not the reported scale of the armies.
Arrian, drawing in particular on Ptolemy and Aristobulus, gives a detailed tactical sequence: crossing, breakthrough against the Persian left, crisis in the center and pursuit. Diodorus emphasizes the approach to Darius's chariot and the king's flight. Hammond accepts some terrain details transmitted by Callisthenes but rejects figures and movements he considers implausible. These accounts are useful together, provided they are not merged into a single verbatim record.
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Military history
Livre II, 2.6.1-2.12.1; édition en ligne, chapitres VI-XII, avec les passes et le retour d'Alexandre, l'ordre sur le Pinaros, le franchissement, la crise du centre, la fuite de Darius et la poursuite.
Operational chronology, Arrianic order of battle, crossing of the bank, interactions among the wings and center, immediate consequences and constraints on casualty figures.
View ↗Livre XVII, 17.34.2-7; extrait traduit consacré à l'approche d'Alexandre, au combat autour du char, à la blessure d'Alexandre et à la fuite de Darius.
A second ancient narrative tradition, set against Arrian on the king's flight rather than merged with his tactical sequence.
View ↗Sections « Preliminary Movements », « Date », « Darius' Decision to Fight », « Battle Arrangements » et « Macedonian Maneuvers »; passages sur les passes, les effectifs macédoniens, la plaine côtière, le Pinaros, les ailes et l'après-bataille.
Campaign context, alternative date, topographical reconstruction and general sequence of deployments and movements.
View ↗Historia 41.4 (1992), pp. 395-406; surtout pp. 395-400 sur le Pinaros, Callisthène et les chiffres, pp. 401-405 sur l'ordre des unités, le franchissement et la nature de la charge.
Critique of numerical and propagandistic claims, Hammond's case for identifying the Payas, debate over the infantry Guard versus cavalry and the cohesion of the phalanx.
View ↗Chapitre 4, version en ligne, lignes 240-299 et 343-382 sur les distances, les effectifs et la largeur disputée; lignes 415-494 et 518-527 sur les berges, la géomorphologie et les limites de l'inférence; conclusion aux lignes 560-564.
Comparative topography, relational mapping, changes in the watercourses and limits of reconstructing the Pinarus.
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