AH Challenge: Austro-Hungarian War

Have Austria and Hungary be on Opposite Sides During TTL's WW1 [Great War]

Bonus points for Mini Timeline

Super Bonus points if TL extents to WW2.
 
Russia ignored Austrian plea of help in 1848 and Hungary becomes independent. Complicated border and bad blood from Independence War leads to Hungary siding with every enemy of Austria. It supports Prussia during Austro-Prussian war but then sides with Great Britain (Hungarian elite always admired England) as Austro-German union is forged.
 
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