Whats the most harmless head-canon you have for WH40K

Coolest/most interesting minor Craftworlds

A Modest Propsal for 40k

The Qingyang Event was a presumed meteor shower or air burst that took place near Qingyang, China in 1490. At least three historical records describe a shower of rocks, one stating that "stones fell like rain." Fatality estimates range from more than ten thousand to several tens of thousands.

TIL an American photographer lost and fatally stranded in Alsakan wilderness was ignored by a state trooper plane because he raised his fist which is the sign of all okay

Do the cults actually gain anything out of worshipping the various gods?

TIL that a blind amateur historian's attempt to publish a history of the Ming Dynasty in 1660 was received so poorly that over 70 people involved were executed and thousands of people arrested.

A title that doesn't say anything about the content of the post, but hey, you're wasting your time anyway here

Lhykhis, The Warp Spider Phoenix Lord, has been missing and was only recently recovered during Psychic Awakening.

So according to the new Warhammer Community post. Jain Zar abandoned the Ynnari while Lelith remains loyal. Who would have thought that a drukhari would be more loyal than a craftworlder.

TIL about bog bodies—human remains found in peat bogs that are naturally mummified for thousands of years. A bog's highly acidic, oxygen-free environment preserves skin, hair, nails, organs, wool and leather clothing but dissolves bones—allowing scientists to study their appearance and last meals.

TIL that “court jesters” were often used to give bad news to the monarch that no one else would dare deliver. When the French fleet was destroyed at the Battle of Sluys, Phillip VI’s jester told him that the English sailors “don’t even have the guts to jump into the water like our brave French”

Ancient Greek poet Homer believed that the best possible existence for humans was to never be born at all or die soon after birth, because the greatness of life could never balance the price of death.

Why would Daemons want to possess someone?

TIL that during the early stages of “Moana” (2016), the character of Maui was originally bald - just like Dwayne Johnson. This was changed after Polynesian cultural advisers working with Disney pointed out that Maui having rich hair is crucial for his mana (spiritual energy).

Are there any eldar that willingly worship slanesh or any other chaos god?

The Feast of the Ass is a medieval Christian feast observed on 14 January, celebrating the flight into Egypt. During its observance, a girl and a child on a donkey would be led through town to the church, where the donkey would stand beside the altar during the sermon.

Are there any stories where the Aeldari are lore-appropriately competent?

The mechanicum/adeptus Mechanicus is actually a great idea

TIL according to the customs of the Toraja people of Indonesia, the family of a dead person must sacrifice a buffalo. Families that don't already have one or too poor to afford buying a buffalo just assume their dead relatives are just "sick" until they can afford to sacrifice a buffalo.

What do the t'au do to handle psykers in their society?

Hamida Djandoubi, a Tunisian convicted murderer, was sentenced to death in France and was executed by guillotine in September 1977, making him the last person to be lawfully executed by beheading anywhere in the Western world.

What’s the worst state a human (or also non human being) could be turned into in the 40k universe?

Madeline Blair was a prostitute who was smuggled aboard USS Arizona disguised as a drunken sailor and managed to stay undetected all the way from New York City to the Panama Canal

TIL that the one of the strongest tornadoes in history was not in the United States, but in the Holy Roman Empire (modern-day Germany).