The 3rd century BC started the first day of 300 BC and ended the last day of 201 BC.It is considered part of the Classical era, epoch, or historical period.. In the Mediterranean Basin, the first few decades of this century were characterized by a balance of power between the Greek Hellenistic kingdoms in the east, and the great mercantile power of Carthage in the west.
Events Asia. c. 1300–1046 BC: In China, the Shang dynasty flourishes as it settles its capital, Yin, near Anyang. Chinese settlers swarm in compact groups to create new clearing areas towards the Yangtze basin in the south, the Shanxi terraces in the northwest and the Wei River valley.