Tutsi which the Hutu then in power killed an estimated 500,000–1,000,000 people, largely of Tutsi origin. Victorious in the aftermath of the genocide, the RPF came to power in July 1994. Tutsis speak Rwanda-Rundi as their native language. It is a member of the Bantu subgroup of the Niger–Congo family. Rwanda-Rundi is subdivided into the Kinyarwanda and Kirundi dialects, which have been standardized as official languages of Burundi and Rwanda. Rwanda-Rundi is also spoken as a mother tongue by the Hutu and Twa. Additionally, many Tutsis speak French, the third official language of Rwanda and Burundi, as a lingua franca. The
Ethnic groups in Burundi declared a presidential republic; however peace did not ensue as a result. Even after 1966, the subsequent dictatorial regimes of Michel Micombero (1966–76), Jean-Baptiste Bagaza (1976–87), and Pierre Buyoya (1987–93) were dominated by Tutsi elites which often consciously marginalized and discriminated against the Hutu majority. The first Hutu to become head of state was Melchior Ndadaye in 1993, although he was assassinated shortly after taking power. Ethnic violence peaked in 1972 when 100,000 people, mainly Hutu, were killed by the Tutsi regime in the Burundian Genocide. Twa have also been targeted, specifically in violence directed against the Tutsi with whom