I'm not sure if it was already done, but as I couldn't find an older thread about it I decided to start this one.
So, if Charles the Bold's only child had been born a boy instead of a girl, what would be the immediate consequences? Would Charles still marry Margaret of York now he has a male heir? Would the Netherlands still get the concessions they got from Mary in order to support her? And, without the alliance with the Habsburgs, could the Burgundian territories survive the French expansion?