On September 27 Azerbaijanis across the globe commemorate the Memorial Day for honoring and mourning the military personnel who have died while serving in the Azerbaijani Armed Forces during the 2020 Nagorno-Karabakh war, officially labeled as The Patriotic War. Established by the decree of the President of Azerbaijan, dated 2 December 2020, the holiday is held on 27 September, the day when the war began.