The gathering is in a difficult time was the only place in Bosnia where people gathered to joy, where young people would meet, see, play and sing and where you could see the other world ". For fifty years one Zmijanje gathering, which takes place the last Sunday of August carries the name of Serbian writer and freedom fighter Petar Kocic . On it is held literary event and a traditional folk festival with famous fighting bulls. New time has brought new customs. Buses visitors from all over Europe, mainly zmijanjskih descendants of the historical role of Petar Kocic know nothing, on that day arrive at the gathering place. And joy is, under the influence of new habit peoples, changed shape and metastasized into an amazing blend of old and half-forgotten lessons of new folk customs.