Conversation so far:
When did Diponegoro start fighting the Dutch?
he played an important role in the Java War between 1825 and 1830
Was he successful in Diponegoro's fight against the Dutch?
He was defeated and exiled to Makassar  where he died.
Why did Diponegoro fight the Dutch?
Dutch colonial rule was becoming unpopular among local farmers because of tax rises, crop failures and among Javanese nobles because the Dutch colonial authorities deprived them of their right to lease land
Did Diponegoro try anything else before fighting?
Prophesies and stories, ranging from visions from the tomb of Sultan Ageng Tirtayasa to his contact with Nyai Roro Kidul, spread across the populace
How many were in Diponegoro's army?
100,000 were in his army
Is there any interesting information about Diponegoro fighting the Dutch?
Diponogoro was widely believed to be the Ratu Adil, the just ruler predicted in the Pralembang Jayabaya

Question: What is the Pralembrang Jayabaya?
Self-contained rewrite: What is the Pralembrang Jayabaya?