Leo Szilard's brilliant idea, and cave paintings discovered in Lascaux, France...On This Day!

Leo Szilard's brilliant idea, and cave paintings discovered in Lascaux, France...On This Day!

Leo Szilard's brilliant idea, and cave paintings discovered in&nbsp;Lascaux, France...On This Day!

September 12th

A daily time capsule of stories of the significant, intriguing or just plain forgotten events of history that all occurred on this day.

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