|Covid-19|490 BC - 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.
447–432 BC - Modern Parthenon in Athens built by Ictinus and Callicrates under the direction of the sculptor Phidias.
About 430 BC - Temple of Apollo at Bassae in Arcadia constructed.
5th century BC in architecture Wikipedia
See also: 6th century BC in architecture, other events of the 5th century BC, 4th century BC in architecture and the architecture timeline.