Serbs consider the Sarajevo wedding shooting , when a groom 's father was killed on the second day of the Bosnian independence referendum , 1 March 1992 , to have been the first victim of the war . The Sijekovac killings of Serbs took place on 26 March and the Bijeljina massacre ( of mostly Bosniaks ) on 1 – 2 April . On April 5 , when a huge crowd approached a barricade , a demonstrator was killed by Serb forces
Bijeljina massacre
Bijeljina massacre
Bosnian War