By the way, there's a suggestion to create a sub-section for this world and move this topic there, plus create a topic for each country, which will contain the history of the state, various details, and changes, if any.

Is there a need for a separate sub-section?
Firstly, the fact-book engine seems to handle Russian texts quite well. At least, I just duplicated my history there. And I'm going to post descriptions of national holidays there as well (I have two so far).
Secondly, I don't know about others, but I would find it tedious to go through ten different topics with descriptions of the situation in the countries. I think it's more convenient to have everything in one topic.