Analysis of information sources in references of the Wikipedia article "코살라" in Korean language version.
Kosala rose in political importance early in the 6th century BCE to become one of the 16 states dominant in northern India. It annexed the powerful kingdom of Kashi. About 500 BCE, during the reign of King Prasenajit (Pasenadi), it was regarded as one of the four powers of the north—perhaps the dominant power.