Buddhists. His theories became normative in Tibet and are studied to this day as a part of the basic monastic curriculum. Other Buddhist monks that visited Indonesia were Atisha, Dharmapala, a professor of Nalanda, and the South Indian Buddhist Vajrabodhi. Srivijaya was the largest Buddhist empire ever formed in Indonesian history. Indian empires such as the Pala empire helped fund Buddhism in Indonesia, specifically funding a monetary for Sumatran monks. A number of Buddhist historical heritages can be found in Indonesia, including the 8th century Borobudur mandala monument and Sewu temple in Central Java, Batujaya in West Java, Muaro Jambi, Muara Takus and Bahal temple in Sumatra, and numerous of statues or inscriptions from the earlier history of Indonesian Hindu-Buddhist kingdoms. During the era of Kediri, Singhasari and Majapahit empire, Buddhism — identified as Dharma ri Kasogatan — was acknowledged as one of kingdom's official religions along with Hinduism. Although some of kings may have favored Hinduism, harmony, toleration, and even syncretism were promoted as manifested in Bhinneka Tunggal Ika national motto, coined from Kakawin Sutasoma, written by Mpu Tantular to promotes tolerance between Hindus (Shivaites) and Buddhists. The classical era of ancient Java also had produces some of the exquisite examples of Buddhist arts, such as the statue of Prajnaparamita and the statue of Buddha Vairochana and Boddhisttva Padmapani and Vajrapani in Mendut temple. Decline and revival In the 13th century Islam entered the archipelago, and began gaining foothold in coastal port towns. The fall of Hindu-Buddhist Majapahit empire in late 15th century marked the end of Dharmic civilization in Indonesia. By the end of the 16th century, Islam had supplanted Hinduism and Buddhism as the dominant religion of Java and Sumatra. For 450 years after that there was no significant Buddhist practice in Indonesia. Many Buddhist sites, stupas, temples, and manuscripts were lost or forgotten as the region became predominantly Muslim. During this era of decline few people practiced Buddhism, most of them are Chinese immigrants who settled in Indonesia when migration accelerated in the 17th century. Many of klenteng (Chinese temples) in Indonesia are in fact a tridharma temple that houses three faiths, namely Buddhism, Confucianism and Taoism. In 1934, Narada Thera, a missionary monk from Sri Lanka, visited the Dutch East Indies for the first time as part of his journey to spread the Dharma in Southeast Asia. This opportunity was seized by local Buddhists to