Cika jumla mai zuwa:
1978 mamayewar Vietnam na Kambodiya da kuma rugujewar Kamaru a shekarar 1979, Khmer Rouge anti-Hanoi ya tsere zuwa yankunan kan iyaka na Thailand, kuma, tare da taimakon China, sojojin Pol Pot sun sami damar sake tattarawa da sake tsarawa a cikin gandun daji da yankunan tsaunuka a kan iyakar Thai-Cambodian. A lokacin shekarun 1980 da farkon shekarun 1990, sojojin Khmer Rouge sun yi aiki daga cikin sansanonin 'yan gudun hijirar a Thailand, a kokarin da suke yi na lalata gwamnatin Jamhuriyar Jama'ar Kampuchea, wacce Thailand ta ki amincewa da ita. Thailand da Vietnam sun fuskanci juna a kan iyakar Thai-Cambodian tare da mamayewar Vietnamese da kuma harbe-harbe a cikin yankin Thai a cikin shekarun 1980 don bin 'yan tawayen Cambodia da suka ci gaba da kai hari ga sojojin Vietnam.