Please don't use roman style numbers (e.g. MMV for 2005) for big numbers except in articles where it really matters. For example in articles about the roman calendar, or something like that. You can read more about it in the english style guide of the latin wikipedia. If you see roman numbers beeing used the wrong way, please change them and use for example

[[Auxilium pro editione (anglice)#Use of numbers|Numeris uti]]

as Summarium.