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Ageng (1631–1695), also known as Tirtayasa and Abulfatah Agung, was the sultan of Banten (on Java in modern Indonesia) during the kingdom’s golden age. He built a strong fleet on European models, which did considerable trade within the Indonesian archipelago, and, with help from the English, Danes, and Chinese, were able to trade with Persia, India, Siam, Vietnam, China, the Philippines, and Japan in the Javanese tradition of long-distance traders. This trade gave considerable wealth to Banten.
The greatest period in Banten is arguably under Sultan Ageng Tirtayasa. In 1661 he extended Banten rule to Landak in western Borneo. In 1670s he also acquired Cirebon area following civil war in Mataram. Ageng established trade with Spanish Manila for silver and built canal for coconut palm and sugar plantations, among other developments. 
Ageng was a strong opponent of the Dutch East India Company (VOC), and inevitably came into conflict with their headquarters at Batavia (modern Jakarta), 75 km to the east. In this sentiment Ageng also came into conflict with his son, the crown prince and later sultan Haji. Haji held considerable power in Banten, and was in favor of gaining support from the VOC. The court split into two factions, supporting the father and the son, and the more militant Muslim elite supported the father.
In 1656, the fragile 1645 treaty between the Dutch and Banten broke, and war erupted, as Bantenese raided Batavian districts and VOC ships, and the VOC blockaded the Bantenese port. A peace settlement was reached in 1659, but the VOC sought a stronger settlement, and was able to take advantage of the internal division in Bantenese politics to achieve it.
Ageng withdrew to a residence outside Banten proper sometime before 1671, in order to forestall a palace coup he anticipated from his son. He supported Trunajaya‘s rebellion in the Mataram Sultanate, and was highly critical of Amangkurat II and his relationship with the VOC. He was able to gain control of Cirebon and the Priangan highlands when Mataram fell into disarray, thus surrounding Batavia with his troops. However, he did not declare war on the Dutch until 1680, on the pretext of some mistreatment of Bantenese merchants on the part of the VOC. The Dutch were now stronger after their victory at Kediri over the Mataram rebels. In May 1680, though, before hostilities began, Haji led a coup and confined Ageng to his residence. His supporters gained the upper hand in 1682, but when a VOC force came to support the compromises of Haji, they drove Ageng from his residence into the highlands, where he surrendered in March 1683. He was kept in Banten for a while, and later moved to Batavia, where he died in 1695.