History

Pulau Onrust The Main Island

Onrust island, Bidadari island (pulau Sakit), pulau Kelor and Pulau Cipir islands represent one unity whithin VOC-Dutch devensive system in order to maintain Batavia city since the 17th century up to middle of 19th century.

Previously the development of Onrust island as any place of ship repair in the year 1615. It also on the approval of Prince Jayakarta Authority, but when there ia any conflict among the Dutch Colonialist and prince Jayakarta Government, this Onrust Island had been prepared as military base camp to make easier the invation against Jayakarta in the year 1619.

After Jayakarta had been conquered, Pulau Onrust island is strengthenized more by VOC through establising castle and other building in which such works is commenced from 1786 and go on progress continuesly up to 1800. At those establisments not only developed pulau Onrust island but also other island such as Bidadari Island, Kelor Island and Cipir Island.

For during three Bidadari, Kelor, Cipir and Onrust island had been invide by Britanians since in the year 1800, 1806 and 1810. On each invation, Britanians had destroyed the existing building. And after any invations as soon as possible reestablish it. But in the last Britanian invation Onrust island and its surrounder had ever been neglected for almost twenty years.
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