Template:Selected anniversaries/May 15: Difference between revisions
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||1933 – All military aviation organizations within, or under the control of, the RLM of Germany were officially merged in a covert manner, to form its Wehrmacht military's air arm, the Luftwaffe. | ||1933 – All military aviation organizations within, or under the control of, the RLM of Germany were officially merged in a covert manner, to form its Wehrmacht military's air arm, the Luftwaffe. | ||
||1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia. | ||1934 – Kārlis Ulmanis establishes an authoritarian government in Latvia. | ||
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||1958 – The Soviet Union launches Sputnik 3. | ||1958 – The Soviet Union launches Sputnik 3. | ||
||Alexander Forbes Irvine Forbes (d. May 15, 1959) was a South African astronomer. | |||
||1960 – The Soviet Union launches Sputnik 4. | ||1960 – The Soviet Union launches Sputnik 4. |
Revision as of 08:12, 28 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.
1888: Council of algorithms announces plans to fund and build a Museum of Algorithms.