A referendum on adopting a new constitution before the elections was held in the Socialist Republic of Serbia on 2 July 1990. Following the approval of the proposal by 97.25% of voters, the Serbian parliament promulgated a new constitution on 28 September. Elections were subsequently held on 9 December. Results References 1990 in Serbia 1990 in Yugoslavia 1990 referendums Referendums in Serbia Referendums in Yugoslavia Constitutional referendums July 1990 events in Europe