The 5th edition of the World Logic Day will take place around the world January 14, 2023. The first edition was organized January 14, 2019 and unanimously approved by the General Assembly of UNESCO the same year: http://www.logica-universalis.org/wld3 See here how to organize a celebration: https://wld.cipsh.international/organise_event.html
Jean-Yves Beziau Federal University of Rio de Janeiro, Brazil Logica Universalis Association, Geneva, Switzerland https://philpeople.org/profiles/jean-yves-beziau