What happened 401 AD

Caeso Fabius Ambustus was a four-time consular tribune of the Roman Republic around the turn of the 5th and 4th centuries BC. Caeso was sent as ambassador to the Gauls when the latter was besieging Clusium and participated in an attack against the besieging Gauls. The Gauls demanded that the three should be surrendered to them for violating the law of nations.

King An of Zhou became king of the Zhou dynasty.