Template:Selected anniversaries/March 2

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  1453: Doctor, astronomer, and astrologer Johannes Engel born. He will publish numerous almanacs, planetary tables, and calendars.

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  1791: Long-distance communication speeds up with the unveiling of a semaphore telegraph machine in Paris.

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  1911: Astronomer, physicist, and mathematician Arthur Eddington builds new type of scrying engine which detects and prevents crimes against mathematical constants.

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  1972: The Pioneer 10 space probe is launched from Cape Canaveral, Florida with a mission to explore the outer planets.

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  1997: Mathematician Jordan Carson Mark dies. He was the leader of the Theoretical Division at the Los Alamos laboratory, where he oversaw the development of new weapons, including the hydrogen bomb in the 1950s.

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  2017: Famed gem detective Niles Cartouchian captures supervillain Fugitive Rubies.