9 events the sources record for this year, grouped by region.
What happened
China (1)
When Shannan county of Zhuya commandery rebelled, on the proposal of Jia Juanzhi, Zhuya commandery was abolished. (Book of Han (Hanshu), Imperial Annals 漢書卷009 元帝初元三年春)
South Asia (1)
On Ketiya Mountain at Mihintale, Kutakannatissa set up an uposatha hall, a stone thupa and a bodhi tree, and built a city wall seven cubits high around the capital. (Mahavamsa (Great Chronicle of Sri Lanka) 34.30-34)tradition
Caesar crushes the enemy and takes Afranius's camp in the first charge (Plutarch's Parallel Lives Plut. Caesar 53.2)
Reading Plato's work on the soul in his bedroom, Cato notices that his sword is gone (Plutarch's Parallel Lives Plut. Cato Minor 68.2)
Southern Europe (3)
Caesar holds his Egyptian, Pontic and African triumphs (Plutarch's Parallel Lives Plut. Caesar 55.1)
Through victories in several wars he celebrated five triumphs: after defeating Scipio, four in one month; the first and most splendid was the Gallic triumph. (Suetonius, Lives of the Caesars Julius 37)