Hungarian Civil War (1264–1265)
…Hungarian Civil War of 1264–1265 (Hungarian: 1264–1265. évi magyar belháború) was a brief dynastic conflict between King Béla IV of Hungary and his son Duke Stephen at the turn of 1264 into 1265. Béla's relationship with his oldest son and heir, Stephen, became tense in the early 1260s, because the elderly king…