KnowraBattle of the Persian GateLinked fromLinked fromThe 3 pages that link to Battle of the Persian Gate, each with the reason it gives.All 3Related 2Compared with 1Battle of GaugamelaRelated: It was a final major obstacle after Gaugamela and before Alexander entered Persepolis.Darius IIIRelated: The defeat closed Darius’s remaining route to regroup in the empire’s heartland.Cambyses IICompared with: Unlike Cambyses’s successful conquest of Egypt, this later invasion brought down Achaemenid rule.