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In page 1620:

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  • Juan Pablo Bonet, teacher of deaf children in the Spanish court, creates a sign alphabet.[5]
  • Francis Bacon publishes the Novum Organum (beyond Aristotle's Organon) on logical thinking.[citation needed]
  • A Short Account of the Destruction of the Indies by Bartolomé de las Casas and Origin and progress of the disturbances in the Netherlands by Johannes Gysius are re-published in the Netherlands.[6]