Nandas built on the successes of their Haryanka and Shaishunaga
Time: 4th Century
Place: Indian subcontinent (Present-Day India)
Details: The Nandas built on the successes of their Haryanka and Shaishunaga predecessors and instituted a more centralized administration. Ancient sources credit them with amassing great wealth, which was probably a result of the introduction of a new currency and taxation system.
Best-effort ordering. Some events may appear out of order since many are only known to the year, but they are usually around the same period.