MAPS OF HISTORY · ON THIS DAY · August 2 · 1945
ON THIS DAY · 2 AUGUST 1945
Potsdam Conference

17 Jul–2 Aug 1945 — The victors divide Germany into occupation zones. Mid-conference Truman learns the bomb test worked, and mentions “a new weapon” to Stalin — who already knows.
THE MOMENT IN CONTEXT
Begin with what the map already shows: no conference drew these colors — armies did. Where the Red Army stopped in 1945, Europe is red and tan; where the Western armies stopped, blue; and the vast parchment spaces of Asia and Africa still wear the blue of the empires that claim them. The victors of the same war, allies weeks earlier, now stand on either side of a line through the middle of Germany — and through the middle of Berlin, a Western island 160 km inside the Soviet zone. Note that arrangement now; it will nearly cause a war in three years and define the era for forty-four.
From Chapter 1 — The World the War Left of The Cold War, 1945–1991 (MAR 1946).
OPEN THE INTERACTIVE MAP →New here? Chapters 1–2 of every atlas are free to sample, and the WW2 atlas is free in full. One membership opens all ten — the Cartographer’s Circle.
TEACH THIS IN 5 MINUTES
- Why it happened — The security dilemma — two rational fears. The USSR, invaded twice through Poland in thirty years at a cost of 27 million dead, defined security as controlling everything between Berlin and…
- The turn — Moscow, 22 February 1946. Asked routinely why Moscow opposed the World Bank, George Kennan answers with 5,000 words: Soviet hostility flows from internal needs, not Western…
- What it changed — Containment becomes policy. Kennan’s idea gets money and muscle within eighteen months: aid to Greece and Turkey, the Marshall Plan, then NATO. The doctrine’s author will spend…
Then ask the room: Was the Cold War inevitable in 1945 — or the product of avoidable choices? The argued answer is on the chapter page →
THE ATLAS THAT SHOWS IT
THE DISPATCH
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