<p class="p1">Leo Szilard's brilliant idea, and cave paintings discovered in Lascaux, France...On This Day!</p>

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

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

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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