Singhasari
…nephews revolted. These two, Ranga Wuni and Mahisha Champaka, ruled together under the names Vishnuvardhana and Narasimhamurti. In the year 1275, King Kertanegara, the fifth ruler of Singhasari who had been reigning since 1268, launched a naval campaign northward towards the weak remains of the Srivijaya in…