"Like you, the Sagas of Norse Gods and heroes fascinate me. Their mythology seems more characteristically Nordic than any other-naturally, of course. I still feel deep resentment toward Charlemagne for his bloody conversion of the Nordic pagans – and while I do not consider that it was revenge for his ruthless crusade that sent the more remote Norsemen sweeping down to ravage the south – it was more likely a natural result of growth and expansion and press of population – still I can appreciate the feelings of those Odin-worshippers who destroyed shrine and monastery and burned priests in the ruins of their altars."
January 1, 1970
https://en.wikiquote.org/wiki/Robert_E._Howard