The Khojaly Massacre was the killing of at least 161 ethnic Azerbaijani civilians from the town of Khojaly on 25–26 February 1992 by the Armenian and, partially, by CIS armed forces during the Nagorno-Karabakh War. The death toll claimed by Azerbaijani authorities is 613 civilians, including 106 women and 63 children. The event became the largest massacre in the course of Nagorno-Karabakh conflict. Source: Wikipedia.
There are several other memorial websites for this event, such as "Justice for Khojaly".