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Battle of Gaugamela

331 BCE · Gaugamela (Mesopotamia) · World · Ancient

Alexander moved obliquely to lure the enemy and open a gap in the Persian line, then led his cavalry in a wedge straight at Darius.

Belligerents

Macedon

Commanders
Alexander the Great
Strength
About 47,000 infantry and cavalry

Persia

Commanders
Darius III, Bessus
Strength
Over 100,000, incl. chariots and war elephants

Background

Darius chose an open plain and mustered the forces of his whole realm, hoping to annihilate Macedon at one stroke.

Course of the battle

  1. Oblique advanceThe Macedonians marched obliquely to the right, luring the Persians to extend their line and expose a gap.
  2. Wedge chargeAlexander led the Companion cavalry into the gap in the center.
  3. PursuitDarius fled, and the Persians fell into a general rout.

Outcome at a glance

Date331 BCE
PlaceGaugamela (Mesopotamia)
ResultAlexander moved obliquely to lure the enemy and open a gap in the Persian line, then led his cavalry in a wedge straight at Darius.
WinnerMacedon
CasualtiesThe Persian army collapsed with very heavy losses; Darius fled again and was later killed.
Territorial changeThe core of the Persian Empire disintegrated, and Alexander entered Babylon and Persepolis.

Impact

The decisive battle that ended the Achaemenid Persian Empire.

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