It should be noted that Alexander was outnumbered at the battle near the Tigris River in about ratio 25 to 1.
The Battle of Gaugamela can be regarded as battle which took place between the forces of the Army of Macedon, where Alexander the Great led the force as well as the Persian Army under King Darius III.
Even though elite Companion cavalry was led by Alexander there was a countercharge by Persian cavalry then Alexander was disarmed before been rescued by his team.
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