Amadeus Aba or Amade Aba was a Hungarian oligarch in the Kingdom of Hungary who ruled de facto independently the northern and north-eastern counties of the kingdom. He held the office of Palatine seve

The Battle of Rozgony or Battle of Rozhanovce was fought between King Charles Robert of Hungary and the family of Palatine Amade Aba on 15 June 1312, on the Rozgony field. Chronicon Pictum described i