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 :::Okay, gentlemen, that's three posts, three approaches. 
 :::Biru, that's very much what I suggested, and, sure, the cats on the Budjak seem warranted (though I don't think the lack of them is the reason why Dc why opposing my proposal to delete the category). But I will object to the one Category:History of Chernivtsi Oblast, for a couple of reasons: it would overlap much with Category:History of Bukovina, when a simpler solution would be include articles that straddle the chronological divides into Category:Chernivtsi Oblast and Category:History of Bukovina; I also think it's a tad risque precedent in prioritizing the present and ""unilateral"" overcategorizing (:Category:History of Ialomiţa County?), and carrioes the effect of suggesting a grid on the history of Ukraine, by implying that ""we're doing this 'history by oblast' thing now, but we only care about this oblast"". 
 :::Illythr, I think the suggestion of naming the cat after the SSR was the simplest one (and Dc created it any way); the problem is with the ubercategory for Bessarabia and Bukovina. In what concerns the category on Moldavia, it is connected to the Moldova categories, though not ideally so - if it were after me, I'd include all the categories on Moldova into the Bessarabia subcat, going by the Moldavia>Bessarabia>Moldova system, but I can see why others would object. In any case, let's leave that discussion for later. Note: I don't object to also having articles on the history of Moldova (whether within or parallel to the ""Moldavia"" cats), though again the system created there by Dc is chaotic and highly repetitive. 
 :::Dc, you suggestion (which, btw, is not a suggestion, but something you've made into an actual category) does not ""simplify"" anything, because for all the problems it supposedly answers it creates others. So you don't still see those problems after my days of detailed answers to your every claim. So fine: I could only beseech Biruitorul and Illythr to read them, as I'm sure they can't be missing them (in fact, I think they already did read and acknowledged them, hence the above).   "