NASA has a long standing tradition to wake up astronauts with a specially selected track of music each day, usually picked by friends or family members, called “Wake Up Calls”.
In Denmark, if you are unmarried at 25, you’ll get cinnamon thrown all over you on your birthday.
In Japan, fake food (called sampuru from the English “sample”) is a multi-billion yen industry. The replicas, which are made of plastic and typically cost 10 or 20 times the amount of the food they imitate, are mostly handmade by trained artists in an almost century-old tradition.
Groomsmen (specifically bridegroom-men) were originally at weddings to protect the bride from being kidnapped by another suitor.
In some cultures children were intentionally given names with unfavorable meanings like ‘ugly’ and ‘crippled’, as it was thought that this would make them less desirable to child-stealing demons.
It’s a faux pas in Russia to give your date a dozen flowers; You give an odd number of flowers for a happy occasion, and an even number for condolences.
During the Makahiki festival in Hawaii, the chief would go off shore in a canoe. When he came back warriors threw spears at him and he had to deflect them to prove his worthiness to rule.
In South Korea, women give chocolate to men on February 14, and men give non-chocolate candy to women on March 14. On April 14 (Black Day), those who did not receive anything on February 14 or March go to a Chinese-Korean restaurant to eat black noodles and lament their ‘single life’.
In England until the early 20th century, a man wishing to separate from his wife could lead her to market by a halter and sell her to the highest bidder.
If you’re flying aboard a spaceflight leaving from Baikonur Cosmodrome in Kazakhstan, you’ll be ordered to pee on the back-right tire of a bus. It’s tradition.