The original is EP-133, so not that far away. Regarding the year dating, more likely to be a reference to just the general medieval theme. Only event in the ye

The original is EP-133, so not that far away. Regarding the year dating, more likely to be a reference to just the general medieval theme. Only event in the year (in Sweden) I could find that is notable is the execution of Magnus Birgersson (Heir apparent). Not sure why'd they reference that though, so I'm guessing it's just a number that is "close" to 133 + in the medieval times.