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March 30, 240 B.C.: Comet Cometh to Cathay
240 B.C. Chinese astronomers observe a new broom-shaped “star” in the sky. It’s the first confirmed sighting of Halley’s Comet. Some have made the case that a sighting in the third millennium B.C. is...
View ArticleAug. 3, 1492: Columbus Sets Out to Discover … a Trade Route
1492: Christopher Columbus, sailing for the Spanish crown, weighs anchor for the New World. From his flagship Santa Maria, Columbus commanded a squadron that included the caravels Niña and Pinta. The...
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