 The Football Federation of Bosnia and Herzegovina was founded after the Second World War, as the subdivision of the Yugoslav Football Association.The new communist authorities abolished the former league sistem and disbanded numerous clubs while created others.The era from 1945 till 1992 can be marked by the emergence of a highly competitive and quality lague, characterized by the appearance of a chronical "Big 4" contenders for the title (Red Star, Patizan, Hajduk and Dinamo Zagreb) but with a particularity that highlights Bosnian football which is that their clubs were always present in the First Legaue and FK Sarajevo, and Željezničar even won championships and created one of the most intense outsiders derbies at time, the Sarajevo derby.