← Mahajanapadas, Magadha and the MauryasIranian and Macedonian invasionsFind a topicSearchAchaemenid rule over Gandhara and Sind; Kharosthi script from Aramaic; Persian sigloiAlexander's invasion (327 to 325 BCE), battle of Hydaspes with Porus, retreat from the BeasEffects: Greek accounts, dated chronology, Hellenistic art contact, trade routes