Mackinder gave a paper on "The Geographical Pivot of History" at the Royal Geographical Society, in which he formulated the Heartland Theory
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Mackinder gave a paper on "The Geographical Pivot of History" at the Royal Geographical Society, in which he formulated the Heartland Theory
Text from Wikipedia, available under CC BY-SA 4.0.
Captured 2026-08-24 from Wikipedia. The archived copy is preserved so this citation survives link rot.