After months of fierce battles with the Red Army , the Republic of Mountainous Armenia capitulated in July 1921 following Soviet Russia 's promises to keep the mountainous region as a part of Soviet Armenia . After losing the battle , Garegin Nzhdeh , his soldiers , and many prominent Armenian intellectuals , including leaders of the first Independent Republic of Armenia , crossed the border into neighbouring Persian city of Tabriz Operation Nemesis was the ARF 's code-name for a covert operation in the early 1920s to assassinate the Turkish planners of the Armenian Genocide . Those involved with the planning and execution of the operation ( including Shahan Natalie and Soghomon Tehlirian ) were survivors of genocidal massacres . The Operation , between 1920 and 1922 , assassinated many significant political and military figures of the Ottoman Empire , the Internal Affairs Minister of Azerbaijan and some Armenians who were working against the Armenian cause
Operation Nemesis
Operation Nemesis
Armenian national liberation movement