WI/AHC: 30 Years War = War of Bohemian Independence?

I realize that nationalism was mainly a 19th century phenomenon, but is there any way that the Kingdom of Bohemia could've declared its independence when choosing Frederick V of the Palatinate as their king (or rather, maintained their independence against the Habsburgs under the Palatine Wittelsbach dynasty, post-1619/1620)? Can the Bohemian kingdom hold its own against Vienna? And what might be the effects of it maintaining/achieving its independence?
 
With Spanish support being provided to Vienna, Saxony being persuaded to attack Bohemia, and the lack of a major Protestant ally, I don't see it maintaining independence much less attaining it.
 
Say Friedrich V holds onto his crown a little longer than for merely those few months after he's elected/crowned - like Protestant troops either win the Battle of White Mountain, or the victory is not so decisive for Ferdinand II. Would any Protestant power be willing to aid Bohemia? Or would they see it as a lost cause?
 
Not sure if it would be too early and it's definitely not Protestant but France could be a possibility. One of the reasons France got involved in the Thirty Years War was due to their fear of being surrounded by the Hapsburgs. This is a possible way of messing with Vienna.
 
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Don Quijote

Banned
What if Sweden took more of an interest in Bohemia rather than Germany? I'm not suggesting that it would put Bohemia above its German Baltic territories, but Gustavus Adolphus could make his advance southwards a bit further east. It would also help to have an ally in the area if the Swedes decided to go after the Polish throne, as they occasionally did OTL.
 
What if Sweden took more of an interest in Bohemia rather than Germany? I'm not suggesting that it would put Bohemia above its German Baltic territories, but Gustavus Adolphus could make his advance southwards a bit further east. It would also help to have an ally in the area if the Swedes decided to go after the Polish throne, as they occasionally did OTL.

Gustav II Adolf ended up inheriting three conflicts when he took the throne: one with Denmark (Kalmar War) that resulted in no loss of land but Sweden had to pay an indemnity to them, one with Russia (Ingrian War), and with Poland in 1617-1618 which was a phase of a longer conflict between them.

Say that Gustav II Adolf does decide to go in the direction of Bohemia. One issue I foresee is getting an army there. If I am not mistaken you would have to go through either Saxony (from the direction of Brandenburg) or through Silesia (from the direction of either Brandenburg or Poland). I do not foresee Poland allowing a Swedish army marching through their territory and I believe that Saxony would be reluctant to as well. It took the HRE attacking Saxony to allow the Swedish army into their territory.

Now if I were Ferdinand II, I would feel a bit threatened having the Protestants take territory in my backyard and would do what I could to keep Bohemia in firm control.

So, who else would you appeal to in order to make sure this revolt was successful?
 
Gustav II Adolf ended up inheriting three conflicts when he took the throne: one with Denmark (Kalmar War) that resulted in no loss of land but Sweden had to pay an indemnity to them, one with Russia (Ingrian War), and with Poland in 1617-1618 which was a phase of a longer conflict between them.

Say that Gustav II Adolf does decide to go in the direction of Bohemia. One issue I foresee is getting an army there. If I am not mistaken you would have to go through either Saxony (from the direction of Brandenburg) or through Silesia (from the direction of either Brandenburg or Poland). I do not foresee Poland allowing a Swedish army marching through their territory and I believe that Saxony would be reluctant to as well. It took the HRE attacking Saxony to allow the Swedish army into their territory.

Now if I were Ferdinand II, I would feel a bit threatened having the Protestants take territory in my backyard and would do what I could to keep Bohemia in firm control.

So, who else would you appeal to in order to make sure this revolt was successful?

I'm guessing Friedrich's familial ties to England and the Dutch Republic aren't really gonna help him much, are they?

Friedrich's sister, the Brandenburger electress, and her son, both favored a pro-Protestant policy, except her husband was under the control of his pro-Austrian prime minister (can't remember the name right now), so maybe the minister falls or the elector is taken out sick with the son as regent? Another option was Wladyslaw IV was interested in marrying one of Friedrich V's daughters, so perhaps that wedding goes through, thus with a daughter married to the king of Poland and another married to an earlier (Protestant, I think) Prince Rakoczi, the king of Bohemia can hope for help from there?
 
Two potential issues with Wladyslaw IV:

1. He has ties to the Hapsburgs through his mother, Anne of Austria.
2. His father, Sigismund III Vasa, had a rivalry with the current king in Sweden due to his removal from the Swedish throne.

Even though Wladyslaw IV was known to be religiously tolerant, I find it quite unlikely that he would help the Protestant cause.

Another option is to keep the Ottomans involved. From what I recall (I don't have access to my books), they were involved in the Thirty Years War early on and actually defeated the Poles on a few occasions. If the Ottomans were able to divert from Polish territory to somewhere near Vienna or even Bohemia then that is another front that the Austrians would have to worry about. Unrest in Bohemia which could spread to other Protestant regions in the HRE and the Ottomans to the east makes for a rough situation.
 
Prince Rakoczi was reined in by his nominal overlord, the Ottoman sultan Ibrahim, in 1644. This prevented the prince from continuing to help the Swedes with their push on Vienna.

Gabriel Bethlen, one of his predecessors, was a Protestant ruler (prince of Transylvania) who was also an uncrowned king of Hungary around the time of the battle of White Mountain. With him being anti-Hapsburg, the Ottomans may be of some help but that would require the sultan at that time, Mustafa I, to be a bit more stable in regard to his mental faculties.
 
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