The OFloinn's random thoughts on science fiction, philosophy, statistical analysis, sundry miscellany, and the Untergang des Abendlandes
You know, if you interpret Roman Empire to include the Holy Roman Empire, you could probably make a case for Picture 1. The Russians did do a bit of fighting in WW1, after all, and said Russians presumably did some hacking (as in Picture 4).
The fall of the Holy Roman Empire was Napoleon, though.
Hapsburgs ruling the Austro-Hungarian empire were arguably good enough successors and closely enough allied to the Church to count as Roman. Certainly they are frequently alluded to as such. Still a bit of a stretch, I know, but I thought it worked for the joke. Oh well.