Construction of Apadana (audience hall) of Darius and Xerxes, ceremonial complex, at (Parsa) Persepolis, Iran started by Darius I in the fourth year of his reign.
Zhou Jing Wang is the king of China.
Lucius Tarquinius Superbus is the king of Rome
Darius I of Persia (present Iran) invades Indus Valley. This Zoroastrian king shows tolerance for local religions.