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German astronomer Maria Kirch died #OTD in 1720.
She was one of the first famous astronomers of her period due to her writing on the conjunction of the sun with Saturn, Venus, and Jupiter in 1709 and 1712 respectively. Kirch observed a comet in 1702, becoming the first woman to make such a discovery. However, the discovery was officially credited to her husband, reflecting the gender biases of the time.
https://en.wikipedia.org/wiki/Maria_Margaretha_Kirch
Serbian inventor, electrical engineer, mechanical engineer, and futurist Nikola Tesla was born #OTD in 1856.
Some of Tesla´s inventions and innovations: alternating Current (AC) system; induction motor; Tesla coil; wireless transmission of electricity; radio technology; remote control; neon and fluorescent lighting; X-Ray technology; Tesla turbine; oscillators and frequency generators.
https://en.wikipedia.org/wiki/Nikola_Tesla
Books by Nikola Tesla at PG:
https://www.gutenberg.org/ebooks/author/5067
Books by Tesla, Nikola (sorted by popularity)
Project Gutenberg offers 73,924 free eBooks for Kindle, iPad, Nook, Android, and iPhone.Project Gutenberg
12 October 1892 | Edith Stein was born in Wrocław. She was a German Jewish philosopher who converted to Catholicism, became a theologian & a Carmelite nun. She was murdered in Auschwitz in August of 1942.
#Auschwitz #Birkenau #Holocaust #Shoah #Jews #history #histodons #Nazis #Germany #NeverForget #ww2 #Memorial #Remember #memory #otd #facts
Another day, another fantastic #Friendica feature that I found. If you've already been for a while, you can check your feed from a year ago*. While you are in your newsfeed, simply click on the #year you want to check on the Archive pane on the left (keep scrolling to find it), then click on On this day. You'll get all the posts that were sent to your instance exactly one year ago. Isn't it wonderful to walk through your personal memory lane from time to time? 😁
#fediverse #friendica #features #onthisday #OTD #feed #newsfeed
*I guess it depends on how long have you been to a certain Friendica server, not sure if posts are displayed if you moved your account to a different server for less than a year before. I'm also not sure if this depends on a certain plugin, or if it's a baked-in functionality.
Her work on galactic rotation curves became one of the main pieces of evidence for the existence of dark matter, and she deserved a Nobel Prize for it.
Image: Vassar College / Emilio Segrè Visual Archives
Os Lusíadas (1572), Canto V
Luís Vaz de Camões died #OTD in 1580. He wrote a considerable amount of lyrical poetry & drama but is best remembered for his epic work Os Lusíadas. His collection of poetry The Parnasum of Luís de Camões was lost during his life.
Books by Luís de Camões at PG:
https://www.gutenberg.org/ebooks/author/1183
#books #literature #poetry
Books by Camões, Luís de (sorted by popularity)
Project Gutenberg offers 70,877 free eBooks for Kindle, iPad, Nook, Android, and iPhone.Project Gutenberg
In 1936 she discovered the existence of a solid core at the center of the Earth, based on a careful analysis of global seismic records from a 1929 earthquake near New Zealand.
Image: Royal Danish Library
#WomenInEngineering #INWED #WomensHistoryMonth #WomenInSTEM #STEM #engineering #WomenEngineers #WomenInHistory #ExtraordinaryWomen #WomenInCulture #STEAM #HistSTM #WikiWomenInRed #Wikipedia #WomenInHistoryShouldntBeAMystery
In Auschwitz from 27 August 1943
No. 140964
Transferred to Fürstengrube sub-camp.
In 1945 he was on a death march, ending up on one of the ships in the Lubeck Bay that were mistakenly bombed by the British RAF on 3 May 1945. More than 7,000 prisoners were killed. Jakub survived.
After the war he emigrated to Australia.
Today he turns 98.
Happy birthday.
#Auschwitz #history #ww2 #Holocaust #birthday #otd #Turek #Australia
