In 100 days, from April to July 1994, between 500,000 and one million Rwandans, predominantly Tutsis, were massacred when a Hutu extremist–led government launched a plan to wipe out the country’s entire Tutsi minority and any others who opposed its policies.
The Museum’s Center for the Prevention of Genocide (CPG) works to prevent genocide by studying how and why it occurs, by raising public awareness about genocide, and by building political will among leaders to respond.
Holocaust Encyclopedia: Rwanda: The First Conviction for Genocide
At the time of the Nuremberg trials, there was no legal concept of "genocide." On September 2, 1998, the International Criminal Tribunal for Rwanda (a court established by the United Nations) issued the world's first conviction for the defined crime of genocide after trial before an international tribunal.