Adam Jerzy Czartoryski, probably the most influential Pole at the time advocated for the inclusion of the Polish freedom in the Treaty of Paris from the very start of the war (and even suggested a Anglo-French alliance against Russia at the beginning of the year), but his suggestion fell on deaf ears - but what if they didn’t? What if English troops landed in Lithuania like Czartoryski suggested instead of Bulgaria.
Plan is quite unrealistic on pretty much each and every account but the main idea of isolated "English" (no Scots?) landing in Lithuania makes it quite a "jewel". Did he REALLY propose something of the kind?
Was he already insane enough (85 years a good time for developing the age-related mental problems) to assume that 2+ decades after the Kingdom of Poland ceased to exist Lithuania and Russian part of Poland did amount to something as a military force?
IIRC, at the beginning of the CW Britain scrambled to raise 20 - 30K and sending an isolated army of that size for an ambitious invasion so close to the Russia proper would be plain suicidal even with the allowance for the sorry state of the Russian army circa 1855.
Not to mention that this would negatively impact French invasion into the Crimea (minus 20 - 30K and minus a lot of ships could make a lot of difference).
Plus there were trifles like a general logistics: in OTL the Brits and French had convenient bases on the Ottoman territory but in this scenario the Brits would have nothing closer than the British Isles.
Could have Austria been appeased by being given some amount of control over the reunited Polish-Lithuanian State?
The Austrians had enough of their own Poles and even had to promote Ukrainian nationalism to balance the Polish one. And, as already had been mentioned, Prussia was not going to be excited either by the reasons obvious.
And what would the Polish-Lithuanian borders look like- would they resemble the 1771 (pre-partition) ones or would they be closer to the borders of the Russian Kingdom of Poland?
Taking into an account a complete absurdity of the schema why not have these borders as in the early XVII? You know, Smolensk, all Ukraine and all Baltic coast (Latvia and Estonia). And get back the former Royal Prussia from the Prussians. Surely, the benevolent Brits would have no problems conquering all these territories and giving them to the Poles (as everybody knows, benefiting Poles always was the main British goal). BTW, how about giving them Moscow as well? After all, they hold it for a while.
