Dirac Dies: Antimatter Prophet and Quantum Genius
Paul Dirac predicted the existence of antimatter through pure mathematical reasoning before any experiment confirmed it, fundamentally expanding humanity's understanding of the universe. His Dirac equation unified quantum mechanics with special relativity and remains one of the most elegant achievements in theoretical physics, earning him the Nobel Prize at age 31.
October 20, 1984
42 years ago
What Else Happened on October 20
Alonso de Mendoza founded La Paz in a valley 11,975 feet above sea level on orders from Charles V. He named it Nuestra Señora de La Paz—Our Lady of Peace—becaus…
The Duke of Alba crushed William the Silent’s forces at the Battle of Jodoigne, scattering the Dutch rebel army and forcing William into exile. This victory sec…
Spanish troops waded through fifteen miles of freezing, waist-deep seawater in a single night to reach the besieged city of Goes. This grueling amphibious maneu…
Cristóbal de Mondragón led 3,000 Spanish soldiers through ten miles of freezing, waist-deep seawater to surprise the Dutch rebels besieging Goes. This daring mi…
Royal Navy forces captured the pirate John Rackham, known as Calico Jack, off the coast of Jamaica after his crew failed to mount a defense while intoxicated. H…
Maria Theresa inherited the Austrian throne in 1740 at age 23. Her father had spent years securing promises that Europe would accept a female ruler. France, Pru…
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