In the Syair Tarsilah Cetera Abang Gudam dan Temenggong Qadir Negeri Saribas, a Bruneian dignitary fled the capital because his daughter had been taken by the Sultan of Brunei.
He established the Raj of Sarawak on territory handed over to him by the Sultan of Brunei, which did not initially include Saribas.
In 1843, Brooke's forces attacked the Iban at Padeh, Paku, and Rimbas in the Batang Saribas region.
After the war, the last White Rajah, Charles Vyner Brooke, ceded Sarawak to Britain, and in 1946 it became a British Crown Colony.
On 22 July 1963, Sarawak was granted self-government by the British, and it became one of the founding members of the Federation of Malaysia on 16 September 1963.