联合国大会第80届会议 - 缅怀灭绝种族罪受害者、受害者尊严和防止此种罪行国际日十周年高级别会议

High-level of the 77th International Day of Commemoration and Genocide Convention on the occasion of the tenth anniversary of the International Day of Commemoration and Dignity of the Victims of the Crime of Genocide and of the Prevention of This Crime