On 29 December 1984, Icyang gathered the Aboriginal Youth Association that he led, the Tang-wai Writers 'Association, and members of the Taiwan Presbyterian Church in the large conference room on the ninth floor of Mackay Memorial Hospital and formed the Alliance of Taiwan Aborigines (ATA).
1984 年 12 月 29 日，戒嚴時期，夷將所帶領的原住民青年會結合黨外作家聯誼會、基督教長老教會成員，在台北馬偕醫院 9 樓的大禮堂，成立了「台灣原住民族權利促進會」。