Template:Selected anniversaries/May 15: Difference between revisions
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||1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia. | ||1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia. | ||
||1956 – Austin Osman Spare, English painter and magician (b. 1886) | |||
||1957 – At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple. | ||1957 – At Malden Island in the Pacific Ocean, Britain tests its first hydrogen bomb in Operation Grapple. | ||
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||1972 – In Laurel, Maryland, Arthur Bremer shoots and paralyzes Alabama Governor George Wallace while he is campaigning to become President. | ||1972 – In Laurel, Maryland, Arthur Bremer shoots and paralyzes Alabama Governor George Wallace while he is campaigning to become President. | ||
||1991 – Andreas Floer, German mathematician and academic (b. 1956) | |||
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Revision as of 20:47, 25 November 2017
1579: Mathematician and physicist Thomas Fincke invents new type of scrying engine which pre-visualizes tangents and secants. He will use the engine to detect and expose crimes against mathematical constants.
1618: Johannes Kepler confirms his previously rejected discovery of the third law of planetary motion (he first discovered it on March 8 but soon rejected the idea after some initial calculations were made).
1836: Astronomer Francis Baily observes "Baily's beads" during an annular eclipse.
1864: Asclepius Myrmidon Prepares for Emergency Field Surgery incorporated into army medical manuals on both sides of the American Civil War.
1888: Council of algorithms announces plans to fund and build a Museum of Algorithms.