Hi, Germany 🇩🇪 here again.
[Thread.]
In the 1970's West Germany suffered from severe series of domestic terrorism.
The Rote Armee Fraktion RAF.
Their attacks on capitalism, targeted Bankers, Politicians, Embassies. To finance, they were committing robbery, killing police.
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1/ Jassa Singh Ahluwalia & his role in the history of Shri Harmandir Sahib (A Thread)

2/ Jassa Singh was born in 1720/21 at a village called Ahlu in the Lahore District of Punjab.

3/ Jassa Singh was educated in Delhi, in Persian, Arabic & more, under the care & supervision of Mata Sundari Ji.

Mata Sundari Gurdwara in Delhi.

4/ In 1733, Jassa Singh's mama, Thag Singh (ਤਾਗ ਸਿੰਘ), requested Mata Sundari Ji's permission to take Jassa Singh back to Punjab.

5/ At first Mata Ji refused but eventually gave permission for Jassa Singh to go with his mama, giving Jassa Singh a blessing and weapons, informing him, it was now the right time to take up arms.

Today is Jayanti of Udham Singh, the man who assasinated General O Dwyer, responsible for the Jallianwala Bagh massacre and the atrocities that followed, a true hero.

His real name was Sher Singh, born on Dec 26, 1899, to a poor peasant family in Punjab’s Sangrur district. His father, Tehl Singh, worked as a railway gate keeper at a level crossing in the Uppali village of Punjab.

Having lost both his parents when he was small, he along with his brother Mukta Singh, grew up in the Central Khalsa Orphanage in Amritsar. Following the Sikh initiation rites, he got the name of Udham Singh.

In 1919, he left the orphanage after passing the matriculation exam. In that year Punjab was in turmoil, with massive protests breaking out against the British rule.

Around 1500 Indian civilians, in Amritsar, protesting against the deportation of nationalist leaders, Dr.Saifuddin Kitchlew and Satyapal Dang, were brutally massacred at Jallianwala Bagh in Amritsar. While Gen Dyer led the carnage, he was backed by the Lt. Governor O’Dwyer.

I doubt there are many outside of Norway that know that the Norwegian pop group A-ha was critical in the introduction of electric car incentives in Norway. I certainly didn't. Read on...

In 1989, two members of the group, Morten Harket and Magne Furuholmen were in Switzerland with environmentalist Frederic Hauge, when they came across a hobby-converted Fiat Panda. Stated range: 45 km. They snapped it up and imported it to Norway.

Photo: In Switzerland (Bellona)

On arrival in Norway, the regs didn't accommodate the registration of electric cars so it couldn't legally be driven on the road. Since it had a propane-fuelled heater, just like a motorhome, they registered it as a motorhome.

Moreover, in contrast to petrol cars, diesel cars paid registration fees based on how far they were driven, and our heroes thought this should also apply to electric cars. So the two-seater Swiss-converted Fiat Panda was registered as a diesel motorhome in Norway.

They managed (somehow) to avoid paying the one-off registration fee in 1990, and ever since then electric cars have been exempted this now-substantial fee.
Source:

This is the field where my grandmother’s family was murdered in April 1943. I met one of the witnesses, a neighbor, several years ago. She said she saw them being marched away, was told by a Nazi to get back inside or risk joining them... 1/#InternationalHolocaustRemembranceDay

My grandmother and her kid sister ran for their lives into the woods. One detail that sticks out from my great aunt’s testimony many yrs later: the sunflower stalks in Grodzisko were so tall you could lay down and hide among them. Presuming the Nazis didn’t bring the dogs. 2/

My grandmother paid a farmer to hide them in the attic of his barn. This was a perilous act. After the war, my grandmother would send the farmer care packages until he died, as a token of her gratitude.

Most of my grandmother’s family were killed in those awful days in 1943.

In testimony my great aunt recorded—amazing to listen to, truly—she remembers being perpetually hungry and freezing. She recalls seeing a cherry tree outside the window of the attic and fainting. She also remembers my her sister’s nightmares, the screams for Eli...

Before they ran for their lives, my grandmother had given away her 3yo son Eli for safekeeping while she hid. After the war, she returned for him, but he was gone. Vanished. No one could say what happened to him.

I have been searching for Eli, my uncle, for two decades.

Why are loops called "loops"?

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Before addressing the question in the title tweet, let me first back up to the origin of the term "quasigroup". The first use of the term was by Ruth Moufang in 1935 in her study of the multiplicative structure of the octonions.

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Moufang defined "quasigroup" in a much narrower sense than we do now. The details are not part of this story, so I'll skip them. What she called quasigroups we now call Moufang loops in her honor.

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The current definition of quasigroup - a set with binary op * s.t. for all a,b, the equations a*x=b, y*a=b have unique solutions x,y - is due to Hausmann & Ore (1937), in the same paper where they introduced the "other" meaning of "groupoid": a set with a binary operation

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It was A.A. Albert (1943) who introduced the term "loop" for a quasigroup with identity element. In his words, "It will be very convenient to have a special name for such quasigroups..." (p.510)

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