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Jan 1, 1308
Dante writes his epic poem the "Divine Comedy"
I choose this date because the "Divine Comedy " is one of the most important books in all history -
Jan 1, 1450
Johannes Gutenberg invents the printing press
This is a very important date because the printing press is the most importan invention in all history -
Jan 1, 1543
Copernico share his heliocentric theory
This fact is important because that theory was very important for the astrology