Early (1500–600 BCE): Vedic texts, Indo-Aryan settlements
Achaemenid (6th–4th BCE): Persian rule under Darius I
Alexander (327 BCE): Greek influence enters
Mauryan (3rd BCE): Ashoka promotes Buddhism, stupas built
Indo-Greek & Kushan (2nd BCE–3rd CE): Greco-Buddhist art peak
Late (4th–1000 CE): Kushan rule, later decline