TL;DR: Is 1995 correctly written as MVM, or as something more like MCMLVL? MCMVC? MCMLXLV? MCMLXXXXV? From what I recall from my Latin classes (European highschool...), you are not supposed to write ...
I am reading that before the 8-9th(10th?) century, Franks were a Germanic-speaking nation. How it is possible to explain that in later centuries their language became a totally different ...