Cika wannan jumlar: A shekara ta 1959, Janar Ne Win's gwamnatin soja na wucin gadi ya kafa gidan yari a tsibirin Great Coco. Bayan Ne Win<unk>s
1962 juyin mulki da kuma shigar da gwamnatin soja, kurkukun ya sami suna a matsayin "Tsibirin Iblis" na Burma. A shekara ta 1969, an faɗaɗa shi don ɗaukar ƙarin fursunonin siyasa. Bayan wani yajin aiki, duk fursunoni a tsibirin an tura su zuwa gidan yarin Insein na Rangoon a shekarar 1971. Bayan rufe gidan yarin, an canja wuraren da ke Tsibirin Great Coco zuwa Sojojin ruwan Burma.