19 events the sources record for this year, grouped by region.
What happened
Korean Peninsula (2)
Pak Hyeokgeose ascended the throne at thirteen, took the title Geoseogan, and named the country Seorabeol. (Samguk Sagi (History of the Three Kingdoms) 卷01 始祖赫居世居西干 即位條)tradition
On news of the Belgae alliance, Caesar levied two new legions and sent Pedius ahead; after securing supplies, he reached Belgian territory in about 15 days. (Caesar, Commentaries on the Gallic War 2.2)
The nearest Belgae, the Remi, sent envoys Iccius and Antebrogius to surrender, promising hostages and grain, and reported the Belgic forces. (Caesar, Commentaries on the Gallic War 2.3)
The Belgae stormed Bibrax, a Remi town, on their march; it barely held out for one day, and Iccius asked Caesar for relief. (Caesar, Commentaries on the Gallic War 2.6)
The Belgae, facing him across a marsh, tried to cross the Axona; Caesar crossed the bridge with cavalry and light infantry and struck the enemy as they crossed, defeating them heavily. (Caesar, Commentaries on the Gallic War 2.9)
When the Belgae withdrew disorderly in the middle of the night, Caesar, wary of an ambush, struck the rear guard at dawn with cavalry and legions, inflicting heavy slaughter. (Caesar, Commentaries on the Gallic War 2.11)
The Suessiones' town of Noviodunum could not be taken by storm, so he prepared siege equipment; the town surrendered, giving hostages including two sons of King Galba. (Caesar, Commentaries on the Gallic War 2.12)
Five miles from the Bellovaci city of Bratuspantium, the elders came to plead; through Diviciacus's mediation he took 600 hostages and pardoned them. (Caesar, Commentaries on the Gallic War 2.13)
The Ambiani surrendered without delay; Caesar heard that the neighboring Nervii were a strong tribe that barred merchants and even wine. (Caesar, Commentaries on the Gallic War 2.15)
After a three-day march, a prisoner told him the Nervii, Atrebates and Veromandui had gathered across the Sabis (Sambre). While he fortified a river camp they attacked in force: the 9th and 10th legions drove the Atrebates into the river, and the arrival of Labienus turned the battle. (Caesar, Commentaries on the Gallic War 2.16–2.23)
The Nervii were almost wiped out: their envoys said 600 elders had been reduced to 3, and an army of 60,000 to about 500, and they surrendered. (Caesar, Commentaries on the Gallic War 2.28)