Template:Selected anniversaries/October 7

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  1719: Mathematician Pierre Raymond de Montmort dies. He wrote Essay d'analyse sur les jeux de hazard, an influential book about probability and games of chance which introduced the combinatorial study of derangements.

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  1796: Mathematician and philosopher Thomas Reid dies. Reid believed that common sense (in a special philosophical sense of sensus communis) is, or at least should be, at the foundation of all philosophical inquiry, justifying our belief that there is an external world.

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  1797: Red Eyes Fighting "is a reasonably accurate depiction of events as I remember them," says Red Eyes.

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  1885: Physicist and philosopher Niels Bohr born. He will make foundational contributions to understanding atomic structure and quantum theory, for which he will receive the Nobel Prize in Physics in 1922.

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  1919: Computer scientist and academic Henriette Avram born. She will develope the MARC (Machine Readable Cataloging) format, the international data standard for bibliographic and holdings information in libraries.

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  2017: The Worcester Lunch Car Company's Research Division demonstrates advanced Flying Diner technology, including a new dinner menu.

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  2018: Swirl is voted Picture of the Day by the citizens of New Minneapolis, Canada.