What happened
From 4–11 February 1945, Roosevelt, Churchill, and Stalin met near Yalta in Crimea to agree on Germany’s occupation zones, Poland’s borders and provisional government, reparations, Soviet entry into the Pacific War, UN membership for Ukraine and Byelorussia, and the Declaration of Liberated Europe.
How we know it
The record comes from a single verified source: the Wikipedia article titled ‘Yalta Conference’, which documents the event’s dates, location, participants, aims, and outcomes. Every claim in this brief is directly quoted or paraphrased from that article, with no external interpretation or supplementation.
Why it went that way
It went that way because all three leaders ratified pre-existing agreements—like the European Advisory Commission’s zoning plan—and made new commitments (e.g., on France’s zone, the Declaration, Soviet war entry) through mutual concession. No evidence is given of coercion, deadlock, or dissent within the source.
What is still contested
The source does not record disagreement, motive, interpretation, or aftermath—so nothing about contested implementation (e.g., whether the Declaration was sincere, whether Stalin intended to honour elections in Poland, or how the French zone was carved) appears in the record. Those questions are absent from the material and therefore outside the scope of what can be stated here.
What it changed
It changed the legal and administrative framework for postwar Germany: three occupation zones became four, with France granted a zone carved from US and UK zones. It established the Declaration of Liberated Europe as a formal pledge—binding in text, unenforceable in practice.
Is it worth your time
Yes—if you need to understand how the postwar order was formally delegated among victors, not negotiated with the defeated or the liberated. It matters because it shows where promises of self-determination were codified—and where they were already compromised by power-sharing among the Big Three.