Template:Selected anniversaries/August 20: Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 1: | Line 1: | ||
<gallery | <gallery> | ||
File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | ||1672 – Johan de Witt, Dutch mathematician and politician (b. 1625) | ||
John_Fleming_in_Fleming_tube.jpg|link=John Ambrose Fleming (nonfiction)|1923: Miniaturized version of [[John Ambrose Fleming (nonfiction)|John Ambrose Fleming]] delivers lecture from within Fleming tube. | |||
||1680 – William Bedloe, English spy dies | |||
|File:Bartolomeu Lourenço de Gusmão.jpg|link=Bartolomeu de Gusmão (nonfiction)|1705: Inventor and priest [[Bartolomeu de Gusmão (nonfiction)|Bartolomeu de Gusmão]]'s uses [[scrying engine]] to design improved [[Airship (nonfiction)|airship]]. | |||
||1710 – Thomas Simpson, English mathematician and academic (d. 1761) | |||
||1779 – Jöns Jacob Berzelius, Swedish chemist and academic (d. 1848) | |||
||1858 – Charles Darwin first publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London, alongside Alfred Russel Wallace's same theory. | |||
||1920 – The first commercial radio station, 8MK (now WWJ), begins operations in Detroit. | |||
File:John_Fleming_in_Fleming_tube.jpg|link=John Ambrose Fleming (nonfiction)|1923: Miniaturized version of [[John Ambrose Fleming (nonfiction)|John Ambrose Fleming]] delivers lecture from within Fleming tube. | |||
||1962 – The NS Savannah, the world's first nuclear-powered civilian ship, embarks on its maiden voyage. | |||
||1975 – Viking program: NASA launches the Viking 1 planetary probe toward Mars. | |||
||1977 – Voyager program: NASA launches the Voyager 2 spacecraft. | |||
</gallery> | </gallery> | ||
Revision as of 17:24, 26 June 2017
1923: Miniaturized version of John Ambrose Fleming delivers lecture from within Fleming tube.