Swiss historian, author of the essay titled "History of Monkhood in Switzerland" Loren Oberson subjected to sharp criticism the proposal of official Ankara on formation of a joint Armenian-Turkish historical commission for the examining the authenticity of the facts of the Armenian Genocide, SDA reports. In his words, the Armenian Genocide cannot be questioned. To note, events in commemoration of the Genocide victims are to be held in Switzerland April 17-24.