First volume of the Encyclopédie
Diderot and d'Alembert publish the first volume of the Encyclopédie, a defining work of the Enlightenment.
Diderot and d'Alembert publish the first volume of the Encyclopédie, a defining work of the Enlightenment.
Using the Rosetta Stone, Jean-François Champollion announces his decipherment of ancient Egyptian hieroglyphs.
Louis Pasteur administers his rabies vaccine to Joseph Meister, a boy bitten by a rabid dog, who survives.
Marie and Pierre Curie discover two new radioactive elements, polonium and radium, advancing the study of radioactivity.
A team at the Pasteur Institute including Françoise Barré-Sinoussi and Luc Montagnier reports the virus later named HIV, the cause of AIDS.
CERN announces that the ATLAS and CMS experiments at the Large Hadron Collider have observed a particle consistent with the Higgs boson.
The James Webb Space Telescope, a NASA–ESA–CSA collaboration, is launched from French Guiana to observe the early universe in infrared.