Human rights in Rwanda withdrawal of Belgium from Africa in 1962, Rwanda separated from Rwanda-Urundi by referendum, which also eliminated the Tutsi monarchy, the mwami. In 1963, the Hutu government killed 14 000 Tutsi, after Tutsi guerillas attacked Rwanda from Burundi. The government maintained mandatory ethnic identity cards, and capped Tutsi numbers in universities and the civil service. During the Rwandan genocide in 1994, 800,000 people were murdered. Subsequent governments, including the current government led by President Paul Kagame, have committed grave violations of human rights. On 22 April 1995 the Rwandan Patriotic Army killed more than 4,000 people in the Kibeho massacre. In
Hutu of Rwandan national unity, but has been criticized as an attempt at historical revisionism. Still others suggest that the two groups are related but not identical, and that differences between them were exacerbated by Europeans, or by a gradual, natural split, as those who owned cattle became known as Tutsi and those who did not became Hutu. Mahmood Mamdani states that the Belgian colonial power designated people as Tutsi or Hutu on the basis of cattle ownership, physical measurements and church records. There is an ongoing debate as to whether the Hutu and Tutsi are really separate groups or not;