2014 Event Two former Khmer Rouge leaders, Khieu Samphan and Nuon Chea, have been convicted of war crimes during the period of Cambodian genocide in the 1970s; a U.N.-supported war crimes tribunal sentenced the two men to life in prison; both men are in their 80s 2011 Event In Cambodia, the three most senior surviving members of the Khmer Rouge regime are charged with genocide and crimes against humanity 2010 Event An archive documenting the genocide of the Tutsis in Rwanda is revealed in the capital city of Kigali 2010 Event The Dalai Lama, Tibet's spiritual leader, says cultural genocide is happening as a result of the Chinese law requiring Mandarin as the language of instruction in Tibetan schools 2010 Event Responding to a U.N report accusing the Rwandan army of genocide in the Democratic Republic of Congo, Rwanda threatens to remove its peacekeepers from Darfur 2010 Event Convicted for transporting soldiers during the Rwandan Genocide, Dominique Ntawukuriryayo is sentenced to 25 years in prison 2010 Event The widow of Rwandan President Juvenal Habyarimana, Agathe Habyarimana, is arrested in France - accused of helping plan the 1994 genocide 1994 Death Thadde Nsengiyumva, Bishop of Kabgayi, Rwanda, murdered during the Rwandan genocide 1961 Event U.N. genocide pact goes into effect 1957 Birthday Paul Kagame, born in Ruhango, Rwanda, politician, President of the Republic of Rwanda, formerly led the Rwandan Patriotic Front ending the Rwandan genocide 1948 Event U.N. General Assembly unanimously approves Convention on Genocide