The world around us is full of surprises, and there are still a lot of things we don't know. We have compiled a list of fifteen random and unknown facts in this article that will astonish you and change your perspective on the world. The longest word in the English language has 189,819 letters and takes three and a half hours to pronounce. The shortest war in history was between Britain and Zanzibar in 1896. It lasted just 38 minutes. The first recorded use of the word 'hello' as a greeting was by Thomas Edison in 1877. The world's oldest piece of chewing gum is over 9,000 years old. The shortest complete sentence in the English language is "I am." The Great Barrier Reef is the world's largest living structure and is visible from outer space. The first known computer programmer was Ada Lovelace, who wrote the first algorithm in 1843. There are more possible iterations of a game of chess than there are atoms in the known universe. The Eiffel Tower was origi
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