Template:Selected anniversaries/May 15: Difference between revisions
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||1919 – The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job | ||1919 – The Winnipeg general strike begins. By 11:00, almost the whole working population of Winnipeg had walked off the job | ||
||Arthur Gordon Webster (d. May 15, 1923), physicist, was a founder and president of the American Physical Society. Pic. | |||
||1928 – Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy". | ||1928 – Walt Disney character Mickey Mouse premieres in his first cartoon, "Plane Crazy". |
Revision as of 08:02, 18 March 2018
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).
1801: Mathematician Joseph Ludwig Raabe born. He will discover Raabe's ratio test, which determines the convergence or divergence of an infinite series, in some cases.
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.