The year 1569 in science and technology included a number of events, some of which are listed here.
Astronomy A lunar eclipse is observed by Cornelius Gemma.
Cartography The Mercator projection is first used in Gerardus Mercator's world map Nova et Aucta Orbis Terrae Descriptio ad Usum Navigantium Emendata.
Chemistry Paracelsus' major text on chemistry, Archidoxa, is published posthumously in Kraków in Latin translation by Adam Schröter.
Physiology and medicine Girolamo Mercuriale publishes De Arte Gymnastica in Venice, covering the ancient history and current practice of physical exercise.
Economics Tomás de Mercado publishes De los tratos de India y tratantes en ellas, linking the Price revolution to the influx of American gold.
Publications Cornelius Gemma publishes in Antwerp.
Births Muzio Oddi, Italian mathematician (died 1639) 2 November – Epifanio Ferdinando, Italian physician (died 1638)
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