According to oral histories, the Iban arrived in western Sarawak from Indonesia about 1675. There are three groups of Iban i.e. the original Bejie group who was the first Ibans in Borneo, the People of Panggau and Gelong who migrated from Java and the Raja Durong group originating from Sumatra, whom becomes the People of Tansang Kenyalang under Sengalang Burong. After an initial phase of colonising and settling the river valleys, displacing or absorbing the local populations of Bukitans and Serus, there began a period of total war  .
According to oral histories, the Iban arrived in western Sarawak from Indonesia about 1675. There are three groups of Iban i.e. the original Bejie group who was the first Ibans in Borneo, the People of Panggau and Gelong who migrated from Java and the Raja Durong group originating from Sumatra, whom becomes the People of Tansang Kenyalang under Sengalang Burong. Prior to these secondary migrations, there were two more groups arriving at Borneo during the first migrations to the Borneo Island i.e. the Sebungkok group at Tanjung Datu (Melano Cape) and the group at the Merudu Hill near Brunei. These two groups arrived at about the same time with the arrival of the Bejie group at Ketapang. After initial phase of colonising and settling the river valleys, displacing or absorbing the local populations of Bukitans and Serus, there began a period of total war both inter-tribal and inter-tribal in nature .
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After an
Prior to these secondary migrations, there were two more groups arriving at Borneo during the first migrations to the Borneo Island i.e. the Sebungkok group at Tanjung Datu (Melano Cape) and the group at the Merudu Hill near Brunei. These two groups arrived at about the same time with the arrival of the Bejie group at Ketapang. After
A
both inter-tribal and inter-tribal in nature