Yogyakarta Sultanate replaces Mataram Sultanate
History
After Sultan Agung, the Sultanate of Mataram went into a decline due to a power struggle within the sultanate itself. To make things worse, the Dutch East India Company exploited the power struggle to increase its control. At the peak of the conflict, the Mataram Sultanate was split into two based on the Treaty of Giyanti of 13 February 1755: Yogyakarta Sultanate and Surakarta Sunanate.The Giyanti Treaty mentioned Pangeran Mangkubumi as Sultan of Yogyakarta with the title of