Today in World History: February 19th

In the Kingdom of Poland, in 1473, Nicolaus Copernicus was born. He was a mathematician and a scientist, revolutionizing astronomy and economics. His life’s work,  De revolutionibus orbium coelestium (On the Revolutions of the Celestial Spheres) was a major part in heliocentric theory, as his model of the universe had the sun at the center rather than the Earth. This caused the Copernican Revolution, in which scientists became more independent and stopped relying on the Papacy to moderate their work. Instead, they came up with increasingly more liberal theories, which although were true, alienated the Papacy and ultimately led to their downfall as people looked less and less to them for guidance. He also devised a mathematical theory for money, which eventually transformed into Gresham’s Law. Copernicus died in 1543 after suffering from paralysis and falling into a coma.

“To know that we know what we know, and to know that we do not know what we do not know, that is true knowledge.”

-Nicolaus Copernicus

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