Manchester Mark I computer became the first stored computer to run a program at a lab at Manchester University, UK.
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John Hinckley, who tried to kill President Reagan, was found not guilty on the grounds of insanity.
Construction on the world's longest railway in Russia was completed.
Two newly discovered moons orbiting Pluto were named Nix and Hydra.
A Dutch pensions advisor, Johan de Witt, was severely wounded in a knife attack.
J.K. Rowling published the 5th Harry Potter book 'The Order of the Phoenix.'