During the Second World War and after the war, the Diocese was catastrophically harmed.. One third of all the parishes (13) have completely perished, in 10 of parishes a number of parishioners dropped significantly, and all the others were seriously injured. With a large number of killed believers, the diocese suffered severe loss of priests. During the war and after the war, at least 30 priests were killed. The Holy See started the process of beatification of 4 of them on 21 December 2014: Juraj Gospodnetić, Waldemar Maximilian Nestor, Antun Dujlović and Krešimir Barišić.