Template:Selected anniversaries/April 28: Difference between revisions

Revision as of 10:39, 7 May 2017

1402: Aztec philosopher, warrior, architect, poet, and ruler Nezahualcoyotl dies. He had an experience of an "Unknown, Unknowable Lord of Everywhere" to whom he built an entirely empty temple in which no blood sacrifices of any kind were allowed.
1774: Astronomer Francis Baily born. He will observe "Baily's beads" during an annular eclipse (1836).
1847: Mathematician Leopold Kronecker uses number theory to predict and prevent crimes against mathematical constants.
1868: Mathematician Georgy Voronoy born. He will invent what are today called Voronoi diagrams or Voronoi tessellations.
1986: High levels of radiation resulting from the Chernobyl disaster are detected at a nuclear power plant in Sweden, leading Soviet authorities to publicly announce the accident.
1986: Celebrity time-traveller Radium Jane visits the stricken Chernobyl reactor, calls it "a waste of good fissionable material."
2017: New survey shows that Fantasy Voronoi diagram is more popular than Fantasy Football.

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+File:Nezahualcoyotl.jpg|link=Nezahualcoyotl (nonfiction)|1402: Aztec philosopher, warrior, architect, poet, and ruler [[Nezahualcoyotl (nonfiction)|Nezahualcoyotl]] dies. He had an experience of an "Unknown, Unknowable Lord of Everywhere" to whom he built an entirely empty temple in which no blood sacrifices of any kind were allowed.
 File:Francis Baily.jpg|link=Francis Baily (nonfiction)|1774: Astronomer [[Francis Baily (nonfiction)|Francis Baily]] born.  He will observe "Baily's beads" during an annular eclipse (1836).
 File:Leopold Kronecker 1865.jpg|link=Leopold Kronecker (nonfiction)|1847: Mathematician [[Leopold Kronecker (nonfiction)|Leopold Kronecker]] uses number theory to predict and prevent [[crimes against mathematical constants]].