Astronomy

 US #1804 – Banneker was the third honoree in the Black Heritage Series.
November 9, 1731

Birth of Benjamin Banneker 

Benjamin Banneker was born on November 9, 1731, in Baltimore County, Maryland.

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 US #1488 was issued for Copernicus’ 500th birthday.
February 19, 1473

Birth of Nicolaus Copernicus 

Nicolaus Copernicus was born on February 19, 1473, in Thorn, Poland.

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 Uganda #489 honors Halley and the 1986 appearance of the comet.
December 25, 1758

First Predicted Sighting of a Comet

On December 25, 1758, Halley’s Comet became the first comet to be seen after the accurate predicting of its passage.

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