On the behalf of the commemorative day of december 11th, 1960 the Higher school of agronomy received the great Moudjahid Ghafir Mohamed alias Moh Clichy and the historian scientist Dr Touati Dahman. After the welcome speech of the Directeur, Pr Hartani Tarik, the guest visitors highlighted through an excellent conference the reasons, the happening and the consequences of the december 11th strike day in the presence of students, workers, teachers and administrative staff.