331 BC
Battle of Gaugamela
Alexander defeated Darius at Gaugamela, opening the way to conquering Persia.
- Time period
- 331 BC
- Region
- Mesopotamia
- Theme
- Military
- Civilization
- Macedonian Empire
The Battle of Gaugamela took place in 331 BC in what is now northern Iraq, between Alexander the Great and Darius III. Alexander’s Macedonian army defeated the larger Persian force through effective tactics and coordinated attacks. The victory opened the way to Babylon and accelerated the fall of the Achaemenid Empire.