73f4b574df
- Remove duplicate # heading - Add astronomical diary confirmation of date (Sachs & Hunger 1988) - Clarify location uncertainty (Jomel River east of Mosul) - Add Mazaeus as Persian right commander; surrendered Babylon, appointed satrap - Add lunar eclipse omen (20 September) - Add Persian sarissae detail (Diodorus 17.53.1) - Clarify ancient troop numbers are unreliable per modern scholarship - Add Persepolis capture date (January 330 BCE) - Add [^3] Encyclopaedia Iranica / Bosworth as new reference - Remove answered review queue (applied manually)
33 lines
2.5 KiB
Markdown
33 lines
2.5 KiB
Markdown
<!-- factbase:2eca19 -->
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# Battle of Gaugamela
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## Overview
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The Battle of Gaugamela (1 October 331 BCE) was the decisive battle in which Alexander the Great defeated the Persian King Darius III, effectively ending the Achaemenid Persian Empire. @t[=331 BCE] The date is confirmed by Babylonian astronomical diaries. [^3]
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## Key Facts
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- Date: 1 October 331 BCE @t[=331 BCE]
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- Location: Gaugamela, near the Jomel River east of Mosul (exact site uncertain; near modern Erbil/Mosul region, Iraq) [^3]
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- Belligerents: Macedon vs. Persian Empire
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- Commanders: Alexander the Great vs. Darius III; Persian right commanded by Mazaeus
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- Result: Decisive Macedonian victory [^1]
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## The Battle
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- Alexander: ~47,000 troops (including ~7,000 cavalry [^3]); Darius: ancient sources give wildly varying figures (40,000–200,000 cavalry; 200,000–1,000,000 infantry) regarded as unreliable by modern scholars [^3]
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- Darius leveled the battlefield to give his scythed chariots and cavalry a decisive advantage; some Persian forces were equipped with Macedonian-style sarissae [^3]
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- A lunar eclipse on 20 September was interpreted as an omen of Darius' defeat [^3]
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- Alexander used an oblique advance to the right, threatening to outflank Darius' left and leave the prepared ground
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- Darius launched scythed chariots and sent his best cavalry left, creating a gap near his center
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- A wedge of Macedonian cavalry poured through the gap while the phalanx attacked frontally, both driving toward Darius
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- Darius fled; the Persian army collapsed, though Persian and Indian troops briefly penetrated the Macedonian camp [^3]
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## Aftermath
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- Mazaeus, who commanded the Persian right, surrendered Babylon to Alexander ~20 days after the battle and was appointed its satrap [^3]
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- Alexander captured Susa and Persepolis (by January 330 BCE) @t[=330 BCE] [^3]
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- Darius III fled to Ecbatana, then was murdered by his own satrap Bessus (330 BCE) @t[=330 BCE] [^1]
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- Marked the end of the Achaemenid dynasty after ~220 years [^2]
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---
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[^1]: Arrian, *Anabasis of Alexander* 3.8–15
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[^2]: Heckel, W. *The Conquests of Alexander the Great* (Cambridge, 2008)
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[^3]: Badian, Ernst. "Gaugamela." *Encyclopaedia Iranica* Vol. X, Fasc. 3 (2000, updated 2015). https://www.iranicaonline.org/articles/gaugamela/ — citing Sachs, A.J. and Hunger, H. *Astronomical Diaries and Related Texts from Babylonia* (Vienna, 1988), pp. 178–79 for the date; Arrian 3.12.5 for cavalry numbers; Diodorus 17.53.1 for sarissae; Bosworth, A.B. *Conquest and Empire* (Cambridge, 1988) pp. 76–85
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