6th century BC in architecture

Dates approximate

• 575 – Ishtar Gate in Babylon constructed.^[1]
• 530 – Ennigaldi-Nanna's museum established
• 520 – Temple of Olympian Zeus, Athens, begun (completed 132 CE).
• 515 – Construction of Persepolis, capital of the Achaemenid Empire, begins.
• 500:
  • Temple of Athena (Paestum) in Campania constructed.
  • The Magadha imperial capital of Pataliputra (modern day Patna) in the Indian Subcontinent is begun with construction of a small fort (Pāṭaligrama) near the Ganges.