- 1492 The Alhambra Decree: Queen Isabella and Ferdinand II order Jewish subjects, numbering between 150,000 and 800,000, to convert to Christianity or be expelled from Spain.
- 1596 French mathematician René Descartes born; father of modern philosophy; Cartesian Geometry revolutionized mathematics; Galileo's arrest in 1633 by the Catholic Church intimidated him into not publishing his Treatise on the World.
- 1822 The Chios Massacre of some 42,000 and enslavement some 50,000 Greeks by Ottoman Turkish soldiers on the Greek island of Chios.
- 1890 Australian-British physicist Lawrence Bragg born; 1915 Nobel (with his father William) for X-ray crystallography; Bragg's Law, later used by Watson and Crick to discover DNA structure.
- 1906 Japanese physicist Shin'ichiro Tomonaga born; 1965 Nobel (with Richard Feynman and Julian Schwinger) for inventing Quantum ElectroDynamics (QED).
Monday, March 31, 2008
Today in History: March 31
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