13 events the sources record for this year, grouped by region.
What happened
China (1)
Tian He of Qi met Duke Wen of Wei and people of Chu and of the Wei state at Zhuoze and asked to be made a feudal lord; Duke Wen requested this from the Zhou king and the other lords and received permission. (Zizhi Tongjian (Comprehensive Mirror) 資治通鑑 卷001 (원문 단락 #32, -389년))
West Asia (4)
The Athenian Thrasybulus sails with forty ships not to Rhodes but to the Hellespont, reconciles the Thracian princes, and collects the tithe of Byzantium again. (Xenophon, Hellenica 4.8.25–4.8.27)
Thrasybulus is killed at Aspendus by the locals, who are angered by his soldiers' plundering. (Xenophon, Hellenica 4.8.30)
Iphicrates sallies from the Chersonese to attack Anaxibius, who had gone to Antandrus. (Xenophon, Hellenica 4.8.35)
On the plain of Cremaste, Iphicrates springs from an ambush and attacks Anaxibius's army by surprise; Anaxibius and twelve Lacedaemonian harmosts fall. (Xenophon, Hellenica 4.8.37–4.8.39)
Camillus, having conquered the Volsci, marches against the Aequi, surprises them at Bola, and takes their camp on the first charge (Livy, History of Rome (Ab Urbe Condita) 6.2)
Camillus goes around Mount Marcius, camps behind the enemy and lights many fires to announce his presence (Plutarch's Parallel Lives Plut. Camillus 34.2)
With this victory Camillus receives a triumph and grows in popularity (Plutarch's Parallel Lives Plut. Camillus 36.1)
When the Achaeans ask for help in defending Calydon, Agesilaus leads an expedition into Acarnania. (Xenophon, Hellenica 4.6.1–4.6.4)
Agesilaus marches 160 stadia and seizes cattle grazing in the meadows by the lake, but the Acarnanian light troops pelt them with stones and spears from the mountains and cause difficulties; they counterattack and set up a victory monument. (Xenophon, Hellenica 4.6.6–4.6.12)
At Lesbos Thrasybulus defeats Therimachus, the governor of Mytilene, and recovers other cities. (Xenophon, Hellenica 4.8.28–4.8.29)