Austria-Bavaria-Sudetenland (w/ Pressburg) - is it possible?

This may require a pre-1900 PoD after all but I'm wondering, perhaps in a different WW1 or a different aftermath to the war, if it would be possible to create a kind of Catholic little-Germany out of Austria, Bavaria, and most of the Sudetenland?

It seems like greater German unity was on the mind in Austria at that time and this may be palatable rather than creating a new super-Germany. I figure the most likely way to have something like this occur would be a greater partition of Germany after the war, itself I'm not sure is super possible
 
Just spitballing here - maybe Italy gets knocked out of the war and Blessed Karl I is successful in pulling Austria out of the war, basically torpedoing Germany. After the war, the reconstituted Habsburg realm consists of a constitutional double monarchy between the Kingdom of Bavaria and new Kingdom of Austria, while their slavic lands are parted out as OTL (but they keep Tyrol)
 
Many years ago, I read that the Pope pushed for a Catholic nation in Central Europe after the war. It would be made up Catholic Germany, Catholic Austria, Catholic parts of Czech, and Catholic Poland. The unifying bond would be their Catholicism. This may be an option.

I can not remember where I read it. Can anyone provide a reference to support what I remember?
 
This may require a pre-1900 PoD after all but I'm wondering, perhaps in a different WW1 or a different aftermath to the war, if it would be possible to create a kind of Catholic little-Germany out of Austria, Bavaria, and most of the Sudetenland?

It seems like greater German unity was on the mind in Austria at that time and this may be palatable rather than creating a new super-Germany. I figure the most likely way to have something like this occur would be a greater partition of Germany after the war, itself I'm not sure is super possible
Post 1900 it would be extremely difficult to do as German nationalism would be so strong that even if you somehow made a Catholic Kleindeutschland, it would be extremely difficult to keep togeth (e.g not be reabsorbed by Germany). Pre-1900 becomes a lot easier to do but if you want a post 1900 (though somewhat unlikely) one here goes:

1914: The German's recover from their setback at the Marne quite a lot better, keeping critical ground and almost win the race to the sea, but aren't able to knock France out of the war.

1915: Gallipoli never goes through with thousands of troops being redirected towards the Western Front.

1916: Falkenhayn's plan for Verdun almost works, draining much of the French army, however with extra troops from the cancelled Gallipoli campaign, the Somme Offensive is initiated earlier throwing the German's off balance and create a real crisis for the German's.

1919: The British blockade brings Germany to her knees and an even more drained France goes through with her plan to rip Bavaria away from Germany. Due to providing much more support than IOTL, Wilson is able to convince the Entente to create a South German state with rump Austria with the ethnically German South Tyrol and Sudetenland. Pressburg Oedenburg (Sopron) join this new German state through a referendum.
 
It’s rather too late post-1900. About the latest time I can see a Catholic “Germany” is the late 1860s, but not after 1870.
 
Speaking on this topic and how loyal some of the Croats and Slovenes were, what's the plausibility of, say, an Austro-Croat rump rather than a more German oriented rump like this?
 
This was apparently the goal of the Bavarian government under von Kahr: separating Bavaria as far as possible from "Prussia", and uniting it with Austria. Some hoped to do this by mostly diplomatic means, while others entertained more wild schemes - like using Bavaria's massive (but not very cohesive) right-wing paramilitaries to overthrow the leftist Austrian government. Or even as the main player in a violent reorganization of all of central Europe.

But the Entente wasn't terribly interested in the Greater Bavarian plans in OTL, and it's hard to see what would make them more amenable. And I imagine German national identity in Bavaria was strong enough to give a serious headache to the separatists even if everything else goes fine.
 
Speaking on this topic and how loyal some of the Croats and Slovenes were, what's the plausibility of, say, an Austro-Croat rump rather than a more German oriented rump like this?

Low. After all, Croatia was one of the major hotbeds of anti-Habsburg rebellion in 1918. Its loyalty to Vienna was never quite as strong and unconditional as it's portrayed.
 
Maybe post-WW2, if the Allies start with Churchill's idea of South Germany. Maybe the Czechs only get the Sudeten part bordering Saxony and Silesia?
 
Maybe post-WW2, if the Allies start with Churchill's idea of South Germany. Maybe the Czechs only get the Sudeten part bordering Saxony and Silesia?

If I had to go ahead and guess this would probably require the Soviets to be defeated or otherwise incapable of being a threat to central Europe, no?
 
How would an ATL Greater Bavaria impact the development of OTL German carmakers such as BMW, Audi (previously DKW / Auto Union) and Steyr-Daimler-Puch?
 
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