Rahim Hasanov, Head of History, Archeology and Epigraphy Department of Sheki RSC of ANAS, made a speech in the online conference "Haydar Aliyev and the material and moral heritage of Azerbaijan" dedicated to the 100th anniversary of the national leader Haydar Aliyev, with the theme "Haydar Aliyev's policy and succession factor in our history" organized by Lankaran Regional Scientific Center of ANAS.