First Nagorno-Karabakh War
On 13 January, violence against Armenians happened in Baku; as a result, some ninety Armenians died during the Baku pogroms and thousands of surviving Armenians escaped from the city. Facing the chaos there, Gorbachev finally ordered to send the army to the city on the night of 19 and 20 January, when a massacre of the Bakuvians, known as Black January, happened.