This Week in History · 28 Sep 2026 · 8 min

Caesar in Alexandria, Sputnik Launch & Penicillin Discovered | Sep 28–Oct 4

From Julius Caesar sailing into Alexandria to the Soviet Union launching Sputnik, this week in history reshaped empires, science, and the Space Age. Plus: Mozart's Magic Flute, Alexander Fleming's accidental discovery of penicillin, and the birth of the World Series.

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Caesar in Alexandria, Sputnik Launch & Penicillin Discovered | Sep 28–Oct 4

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On October twelfth, fourteen ninety-two, somewhere in the chain of islands now known as the Bahamas, a lookout aboard one of Christopher Columbus's three ships spotted land. Columbus had sailed west from Spain convinced he could reach Asia that way.

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