cultures. Many of the surviving examples of the Hindu cultural influence found today throughout Southeast Asia are the result of the Chola expeditions. As Srivijaya influence in the region declined, The Hindu Khmer Empire experienced a golden age during the 11th to 13th century CE. The empire's capital Angkor hosts majestic monuments—such as Angkor Wat and Bayon. Satellite imaging has revealed that Angkor, during its peak, was the largest pre-industrial urban centre in the world. The Champa civilisation was located in what is today central Vietnam, and was a highly Indianised Hindu Kingdom. The Vietnamese launched a massive conquest against the Cham people during the 1471 Vietnamese invasion of Champa, ransacking and burning Champa, slaughtering thousands of Cham people, and forcibly assimilating them into Vietnamese culture. During the 13th century CE, the region experienced Mongol invasions, affected areas such as Vietnamese coast, inland Burma and Java. In 1258, 1285 and 1287, the Mongols tried to invade Đại Việt and Champa. The invasions were unsuccessful, yet both Dai Viet and Champa agreed to become tributary states to Yuan dynasty to avoid further conflicts. The Mongols also invaded Pagan Kingdom in Burma from 1277 to 1287, resulted in fragmentation of the Kingdom and rise of smaller Shan States ruled by local chieftains nominally submitted to Yuan dynasty. However, in 1297, a new local power emerged. Myinsaing Kingdom became the real ruler of Central Burma and challenged the Mongol rule. This resulted in the second Mongol invasion of Burma in 1300, which was repulsed by Myinsaing. The Mongols would later in 1303 withdrawn from Burma. In 1292, The Mongols sent envoys to Singhasari Kingdom in Java to ask for submission to Mongol rule. Singhasari rejected the proposal and injured the envoys, enraged the Mongols and made them sent a large invasion fleet to Java. Unbeknownst to them, Singhasari collapsed in 1293 due to a revolt by Kadiri, one of its vassals. When the Mongols arrived in Java, a local prince named Raden Wijaya offered his service to assist the Mongols in punishing Kadiri. After Kadiri was defeated, Wijaya turned on his Mongol allies, ambushed their invasion fleet and forced them to immediately leave Java. After the departure of the Mongols, Wijaya established the Majapahit Empire in eastern Java in 1293. Majapahit would soon grow into a regional power. Its greatest ruler was Hayam Wuruk, whose reign from 1350 to 1389 marked the empire's