Copernican theories were used to reform the calendar(Galileo Galilei)

Galileo Galilei - Copernican theories were used to reform the calendar

Time: 1582

Place: Italy

Details: In the Catholic world prior to Galileo's conflict with the Church, the majority of educated people subscribed to the Aristotelian geocentric view that the Earth was the center of the universe and that all heavenly bodies revolved around the Earth, though Copernican theories were used to reform the calendar in 1582.