Reposting because part of the question I asked violated the 20 year rule.
Anyways, violence by the Buddhist majority against the Rohingya minority is well-known today because of current events, but where did this enmity start?
While you wait for an answer about the origins of anti-Rohingya prejudice, you might be interested in this post by u/PangeranDipanagara on the origins of the Rohingya people and how they came to populate southwestern Burma.