Possible Intereuropean organizations after WW1?

So I looked a bit into possible ideas for pre-WW2 EU like ideas.
Outside of some few individuals writing about how Europe will one way unite, I couldn't really find any actual proposals about how those would look or which countries would be part of it.

So I wanted to ask if any of you know actual proposals that were suggested. Doesn't even have to be pan European. Just an economic proposal between two or more European countries.
The best possible thing I found that's anywhere near that was the Baltic Entente.

And if there weren't any actual proposals, how long do you think first talks would have started if we assume that at least Germany remains democratic/fascism and communism not spreading.
I know that there were advocates on both sides for a new Franco-German relationship after WW1.
 
Briand did propose a federal European union starting on September 5, 1929 in a speech at the League of Nations. I think his proposal was brought up a few more times by the French government in the early 1930s, though this proposal didn't really seem to have gone anywhere.
 
Briand did propose a federal European union starting on September 5, 1929 in a speech at the League of Nations. I think his proposal was brought up a few more times by the French government in the early 1930s, though this proposal didn't really seem to have gone anywhere.
So as far as we know Briand and Keynes talked about European cooperation. But I couldn't find a proposed list of member states.
Briand talked about the Industrial regions of Europe. While Keynes talked about Central Europe more specifically.

So could a good starting point be between France, Belgium, Luxembourg, Germany and Czechoslovakia?
Czechoslovakia was a pretty industrial state. And having good relations with Germany could not only ease inner ethnic problems but also secure an ally against Poland.
Germany and France of course being the main interest points of Briand and Stresemann. And Belgium and Luxembourg I see as being naturally included if there were any growing relations with Germany and France, with the two being in the middle of them.

Maybe Austria if France has better relations with Germany? Then I could see the German-Austrian customs union being realized.

Any other potential members? A non Fascist Italy maybe? The Netherlands? Poland would be tricky with Germany and Czechoslovakia having bad relations with them. I can't see the UK involving itself so much into continental politics/economies.
 
So as far as we know Briand and Keynes talked about European cooperation. But I couldn't find a proposed list of member states.
I've found Briand's May 1, 1930 memorandum for the proposed federal European union, It can be viewed here (though it should be noted that the memorandum is in French). It seems that he wanted the proposed union to be created within the framework of the League of Nations, and that he promised to submit a detailed plan for a federal union to all European states that were members of the LoN.
 
Poland might bite the bullet and join, because France (her primary protector) would be part of the union, Germany and Czechslovakia would still be rivals but also democratic reasonable states, and more importantly there's the Russian bear...

Or the Poles might refuse because stupid nationalism, and face Stalin alone.

If Czechslovakia is joining, Romania and Yugoslavia might well join too, if only to get Franco-German permanent guarantees against Soviets (and Hungarians, Bulgarians and Italians).
Which, in turn, might bring Greece in.

Lithuania, Latvia and Estonia will be VERY interested in joining for obvious reasons (though Lithuania joining might annoy the Poles even more...).
 
Poland might bite the bullet and join, because France (her primary protector) would be part of the union, Germany and Czechslovakia would still be rivals but also democratic reasonable states, and more importantly there's the Russian bear...

Or the Poles might refuse because stupid nationalism, and face Stalin alone.

If Czechslovakia is joining, Romania and Yugoslavia might well join too, if only to get Franco-German permanent guarantees against Soviets (and Hungarians, Bulgarians and Italians).
Which, in turn, might bring Greece in.

Lithuania, Latvia and Estonia will be VERY interested in joining for obvious reasons (though Lithuania joining might annoy the Poles even more...).
The thing is. How much is Poland willing to pay Germany, Czechoslovakia and Lithuania if it joined before Poland?

If a fascist/authoritarian block of the likes of Italy, Spain, Portugal, Hungary, Greece and maybe Romania still forms in the South, could we see laws like the OTL EU that forces joining members to be democratic?
 
The thing is. How much is Poland willing to pay Germany, Czechoslovakia and Lithuania if it joined before Poland?

If a fascist/authoritarian block of the likes of Italy, Spain, Portugal, Hungary, Greece and maybe Romania still forms in the South, could we see laws like the OTL EU that forces joining members to be democratic?
If there's a democracy requirement then Poland isn't getting in anyways.
 
The thing is. How much is Poland willing to pay Germany, Czechoslovakia and Lithuania if it joined before Poland?

If a fascist/authoritarian block of the likes of Italy, Spain, Portugal, Hungary, Greece and maybe Romania still forms in the South, could we see laws like the OTL EU that forces joining members to be democratic?
Italy, Hungary and Bulgaria make a natural alliance, being both right-wing dictatorships and unsatisfied with the Versailles order. Spain would also make a natural member, because of Italian support to Franco in SCW (assuming a Francoist victory).

Greece and Romania, regardless of being democratic or not, would fit less in such an alliance, because they're primary targets of Hungarian / Italian expansionist agendas.
 
Italy, Hungary and Bulgaria make a natural alliance, being both right-wing dictatorships and unsatisfied with the Versailles order. Spain would also make a natural member, because of Italian support to Franco in SCW (assuming a Francoist victory).

Greece and Romania, regardless of being democratic or not, would fit less in such an alliance, because they're primary targets of Hungarian / Italian expansionist agendas.
If France is throwing Poland under the bus to mend fences with Germany then Poland might gravitate towards the Italian pact. They were very chummy with Hungary after all.
 
If France is throwing Poland under the bus to mend fences with Germany then Poland might gravitate towards the Italian pact. They were very chummy with Hungary after all.
Except that Italy doesn't have the military power to defend Poland (or to deter the Soviets away), and even more importantly, no physical access to Poland (Italy, Hungary and Poland are all completely cut off from each other).
 
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