Template:Selected anniversaries/June 30: Difference between revisions
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File:Tycho Brahe.jpg|link=Tycho Brahe (nonfiction)|1569: Astronomer [[Tycho Brahe (nonfiction)|Tycho Brahe]] | File:Tycho Brahe.jpg|link=Tycho Brahe (nonfiction)|1569: Astronomer [[Tycho Brahe (nonfiction)|Tycho Brahe]] uses [[scrying engine]] to forecast the [[Tunguska event (nonfiction)|Tunguska event]] with remarkable accuracy. | ||
File:William Oughtred.jpg|link=William Oughtred (nonfiction)|1660: Mathematician [[William Oughtred (nonfiction)|William Oughtred]] dies. He invented the slide rule in 1662. | File:William Oughtred.jpg|link=William Oughtred (nonfiction)|1660: Mathematician [[William Oughtred (nonfiction)|William Oughtred]] dies. He invented the slide rule in 1662. | ||
File:Tunguska.png|link=Tunguska event (nonfiction)|1908: The [[Tunguska event (nonfiction)|Tunguska event]] occurs in remote Siberia. | File:Tunguska.png|link=Tunguska event (nonfiction)|1908: The [[Tunguska event (nonfiction)|Tunguska event]] occurs in remote Siberia. | ||
File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1908: Spike in [[crimes against mathematical constants]] blamed on [[Tunguska event (nonfiction)|Tunguska event]]. | File:Exponential-growth-diagram.svg|link=Crimes against mathematical constants|1908: Spike in [[crimes against mathematical constants]] blamed on [[Tunguska event (nonfiction)|Tunguska event]]. | ||
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Revision as of 14:02, 30 December 2016
1569: Astronomer Tycho Brahe uses scrying engine to forecast the Tunguska event with remarkable accuracy.
1660: Mathematician William Oughtred dies. He invented the slide rule in 1662.
1908: The Tunguska event occurs in remote Siberia.
1908: Spike in crimes against mathematical constants blamed on Tunguska event.