Role of the international community in the Rwandan genocide was a Hutu revolution in which the Tutsi elite was overthrown and a Hutu government was put in place in 1961 with the support of European powers. President Habyarimana, who came to power in 1973, increased divisions between the Tutsi and Hutus in the year of 1992. In the year of 1994, President Habyarimana, a moderate Hutu, was shot down in a plane on April 6 and this was the spark that began the 100 days of genocidal violence against Tutsis and moderate Hutu. It is estimated that about 800,000 - three-quarters of the Tutsi population in Rwanda - were
Origins of Hutu, Tutsi and Twa communities (17.7% Afro-Asiatic genes found in the mixed Hutu/Tutsi population). While most supporters of the migration theory are also supporters of the "Hamitic theory", namely that the Tutsi came from the Horn of Africa, a later theory proposed that the Tutsi had instead migrated from nearby interior East Africa, and that the physical differences were the result of natural selection in a dry arid climate over millennia. Among the most detailed theories was one put forward by Jean Hiernaux, based on studies of blood factors and archeology. Noting the fossil record of a tall people with narrow facial features several