Had Charles the Bold not been killed against the Swiss at Nancy and perhaps been able to father a son and heir, Burgundy could have eventually become the Austria to France's Germany. He was already striving to break free of vassalage to the French throne and establish Burgundy as it's own kingdom, though he was in a precarious positioned sandwiched between France and the Holy Roman Emperor, with land holdings that I believe he still had to pay homage for. He definitely would have needed allies.
If you think about it, the Arabian Peninsula is kind of like this, but with multiple Austrias to the Germany portrayed by Saudi Arabia.
It easily could have happened in China too, with a pair of rivalry dynasties of Han descent lasting into the modern period. Ironically, this may have helped China modernize altogether, if these competing dynasties reach out to the European nations for further trade and modernization so they could defeat their rival.