The KBM (Kaal/Brandix/Meletia) cult began with the Council of Credix in TE 164...thereafter the three dieties were linked in numberless councils and in the pages of the Journal of Experimental Theology, a Terexta-based publication that soon became the voice of the new religion. JET was a rather weird publication: it featured not only scholarly philosophical articles but also theological fiction, ongoing discussions, and a vast number of articles having absolutely nothing to do with the topic at hand.
Codified, the new faith spread widely with broad appeal. It stressed the Empire and the Imperial system, and won friends by linking the Throne with the trinity. In 278 Philip Lütken officially recognized the KBM cult as the Empire's semi-official religion, and styled himself Kaal's incarnate son. Shortly thereafter the three-spoked wheel was accepted as the symbol of KBM.
By TE 300 Emperors routinely made pilgrimages to Lathyros, to the Mother House in Paris, and to whatever ridiculous and inaccessible site was promulgated as the True Home of Brandix (at least this year).
As KBM became more respectable, some of the thrill left the movement for True Believers. JET ceased publication in 282, and although annual conventions continued to be held in its name, the coterie of readers faded until by 350 there was no more trace of them.