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There was a small local war fought over a book of the bible.
St Columbine-if I recall correctly--who was both a prince and a monk, loaned someone a copy of, I believe, the gospel of St. John. The loanee made a copy of it. Columbine found out about it and asserted his ownership of the copy, since it was made from his book. The loanee declined to part with it--reasonably, from my viewpoint--and Columbine the prince began a small war over it. In the end some abbot stepped in and stopped it and banished him. Cast out, he became a missionary to northern europe, Aix au Chappell, I think? (Confirmation or correction anyone?)

Other way around wrt St. Columba or Columkille:

Legend has it that Columba's exile was an act of penance, and that he deliberately chose an island out of sight of his beloved Ireland. During a visit to Moville, Columba is said to have secretly copied a book of psalms. When Finnian discovered this, he insisted on having the copy. Columba refused to hand it over, and their dispute was referred to the high king, Diarmuid, who ruled: "To every cow her calf, and to every book its copy". Columba already resented Diarmuid for slaying a youth to whom the saint had given sanctuary and he persuaded his kinsmen to wage war. Diarmuid was defeated at Cuildreimhne, Co. Sligo and Columba was blamed for the hundreds of dead. When a synod called on him to make amends by converting an equal number of pagans, he opted to work among the Picts of Scotland.

Columba of Iona

Entirely possible.

Wiki--
C'est à Aix qu'arriva en 802 l'éléphant blanc, présent du calife de Bagdad Harun ar-Rachid. L'empereur fut enterré dans cette chapelle en 814.

LOL. Aix means water, from the old Latin--It was a Roman camp first.