Meme

In 1939, a Harvard freshman swallowed a live goldfish on a $10 bet, sparking a craze across American universities. The rivalry escalated to a record of 89 fish, and an "Intercollegiate Goldfish Gulping Association" was even founded to ensure fair competition.

The slang '黑歷史' (literally 'dark history,' meaning 'embarrassing past') originated from the anime '∀ Gundam.' In the show, it referred to a taboo era of humanity's warlike past. The term later became widespread slang for 'a past one would rather forget.'

Searching '241543903' brings up photos of people with their heads in refrigerators. In 2009, American artist David Horvitz created this number by combining his fridge's serial number with barcodes of food inside it, sparking an internet meme that spread worldwide from Brazil.