The State Anti-fascist Council for the National Liberation of Bosnia and Herzegovina (Serbo-Croatian: Zemaljsko antifašističko vijeće narodnog oslobođenja Bosne i Hercegovine, ZAVNOBiH) was formed as the highest governing organ of the anti-fascist movement in Bosnia and Herzegovina and during World War II developed to be bearer of Bosnian statehood. Its president was Vojislav Kovačević.
The first ZAVNOBiH session began in Mrkonjić Grad on 25 November 1943 at 7 p.m. and ended the same night (26 November) at 4 o'clock in the morning. This inaugural meeting was attended by 247 delegates from all parts of Bosnia and Herzegovina, of which 173 with voting rights. At the first session, ZAVNOBiH is formally constituted as a General Policy Representation of People's Liberation Movement of Bosnia and Herzegovina, but in reality and practice acted as its highest authority.
The delegates adopted a resolution ZAVNOBiH Proclamation and peoples of Bosnia and Herzegovina in the statement that the future of Bosnia and Herzegovina and its people at home and abroad, may represent the only ZAVNOBiH, and AVNOJ. The documents at the same time expressed the determination of the people of Bosnia and Herzegovina that their country, which is neither Serbian nor Croatian, nor Muslim, but Serbian and Croatian and Muslim, is a brotherhood community in which they will be provided with full equality of all Serbs, Muslims and Croats. The session also elected a delegation of 58 members to represent Bosnia and Herzegovina at the Second Session of AVNOJ (29 November 1943). At the same time constituted the Presidency ZAVNOBiH, composed of 31 members, with Dr. Vojislav Kecmanović doctor from Bijeljina, as president.
It should be noted that they held three sessions ZAVNOBiH, they are the first in Mrkonjic Grad on 25 November 1943 (now the National Day of Bosnia and Herzegovina), second in Sanski Most, on 30 June 1944, the third, and last in Sarajevo, 26 April 1945.
The National Anti-Fascist Council of the People's Liberation of Bosnia and Herzegovina was formed on 25 November 1943, under the administrative umbrella organization of the Yugoslav Partisans, AVNOJ and declared Bosnia and Herzegovina to be an equal community of Muslims (Bosniaks), Serbs, and Croats.