7 events the sources record for this year, grouped by region.
What happened
China (1)
When Western Zhou rebelled against Qin and moved to join the alliance to go out through Yique, King Zhao of Qin sent General Jiu to attack; the Lord of Western Zhou went to Qin and offered thirty-six cities and thirty thousand people. (Records of the Grand Historian (Shiji), Annals 史記卷004 周本紀)
South Asia (2)
In the 12th year of his reign Ashoka ordered his officials (yuktas, rajukas, pradesikas) to tour the whole realm every five years and teach the Dharma: respect for parents, generosity, non-killing of living beings, and moderation (Edicts of Ashoka RE3 Girnar A–E)
In his 12th year he dedicated the Banyan cave on the Barabar hill to the Ajivika order (Edicts of Ashoka Barabar cave I)
Egypt & North Africa (2)
After the victory the Romans cross to Africa and besiege Aspis (Polybius, Histories 1.29)
Seeing the Romans' prolonged stay, Carthage elects Hasdrubal and Bostar as commanders (Polybius, Histories 1.30)
Southern Europe (2)
Atilius engages the Carthaginian fleet passing Tyndaris (Polybius, Histories 1.25)
Battle of Cape Ecnomus — the two Roman consuls against the Carthaginian fleet (Polybius, Histories 1.27)
Changes of power ◆
Places where the world territory data shows a change of borders in this year.
◆ Âu Lạc appears
◆ Kalinga ends
◆ Later Zhou ends
◆ Maurya Empire takes 129,800 km² of former Kalinga land