Speakers of the indigenous Australian language Dyirbal switch to a completely different dialect in the presence of their mother-in-law.
One fantastic and wonderful origin theory of Santa Claus involves psychedelic mushrooms and shamanic rituals of the indigenous Sámi people who live in northern Finland. Paul Devereux wrote about this incredible hidden history in his fascinating 2008 book The Long Trip: A Prehistory of Psychedelia. Then, Brooklyn filmmaker Matthew Salton blew mainstream minds with this fantastic New York Times “Op-Doc” short video on the topic.
For more on psychedelic Santa, check out the following pieces by Greg Taylor at the Daily Grail:
150k+ First Nation kids were removed from their homes, over a span of 100 years, in order to “get rid of the Indian problem in Canada”.
When the Norse vikings sailed for America in the 11th century, they fully expected (and hoped) to find a race of monsters to fight. Instead, they found the indigenous peoples. Disappointed at finding no real monsters, the Norse (known for being tall) called them Skræling, or pygmies.
There is a man wandering through the Amazon rainforest thought to be the last member of his tribe. No one knows his language or what tribe he belonged to.
The Inuit people offer hunted seals a drink of fresh water before they die.