1. At Daha became the capital of the kingdom that is still intact

Airlangga, is the founder of the city as a moving city Kahuripan Daha. When he got off the throne in 1042, the kingdom split into two. Daha later became the capital of the western empire, namely Panjalu.
According Nagarakretagama, led Airlangga kingdom before the split was named Panjalu.