Pertempuran Cibalae terjadi pada 8 Oktober 314 (atau mungkin akhir 316, kronologi tidak jelas),[3] antara dua kaisar RomawiKonstantinus I dan Licinius. Tempat pertempurannya berjarak sekitar 250 kilometer dari teritorial Licinius. Konstantinus meraih kemenangan, meskipun kalah jumlah.
^For the consensus on dating of the battle of Cibalae in 316, see A.S. Christensen, L. Baerentzen, Lactantius the Historian, Museum Tusculanum Press, 1980, p.23, W. Treadgold, A history of the Byzantine State and Society, Stanford University Press, 1997, p. 34, D.S. Potter, p. 378 and C. Odahl, p. 164. For the alternative dating at 314 see, among others, Ramsay MacMullen, Constantine, Routledge, 1987, p. 67 and A. H. M. Jones, Constantine and the Conversion of Europe, The English University Press, 1948, p. 127