The village suffered during the Armenian–Azerbaijani War in 1918-1920. According to Armenian historian Richard G. Hovannisian, at the end of November 1918, local Azerbaijanis destroyed Petrosashen and two other Armenian villages, Spitakashen and Harar, the three remaining Armenian villages between Nagorno-Karabakh and Zangezur, thus dividing the two mountainous regions.