The Day of Remembrance of the Victims of NATO Bombing is observed in Serbia every March 24. This memorial day commemorates those who died as a result of the NATO bombing during the Kosovo War, which began in February 1998 and escalated with NATO's Operation Allied Force starting on March 24, 1999. The operation aimed to drive Yugoslav troops out of Kosovo and facilitate the return of Albanian refugees, but it resulted in significant civilian casualties, with estimates of deaths ranging from 489 to 2,000. The day is marked by remembrance ceremonies across cities and towns in Serbia, including a notable wreath-laying ceremony attended by senior government officials at the Eternal Flame in Belgrade, which honors both military and civilian casualties of the bombing.