On August 24, 1456, the printing of the famous Gutenberg Bible was completed. The Gutenberg Bible was the first major book printed with movable type in the West, applying the newly developed technology by Johannes Gutenberg. Widely praised for its high aesthetic and artistic qualities, the book has an iconic status.
On October 17, 1604, the famous German astronomer Johannes Kepler started his observations of the 1604 supernova, named after him as Kepler's Supernova or Kepler's Star.