1- The killing of the Armenians is genocide is defined by the 1948 United Nations Convention on the Prevention and Punishment of the Crime of Genocide.
2- In 1997, the International Association of Genocide Scholars, an org the world's foremost experts on genocide - contd https://twitter.com/tequieremos/status/1253759775755636738

unanimously passed a formal resolution affirming the fact of the Armenian Genocide.
3- Leading texts in the International Law of Genocide cite the Armenian Genocide as a precursor to Holocaust and a precedent for the law on crimes against humanity.