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TIL about diamond mining in India, which was the only place where diamonds were mined until 1726. Koh-i-Noor, Hope, Nizam, Jacob, Great Mughal, Orlov are some of famous diamonds from a region called Golconda(kollur) in India

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LkQ80 TIL that 'redundant phrases' such as "ATM Machine", "LCD Display" and "PIN Number" are examples of RAS Syndrome (Redundant Acronym Syndrome), which itself is a redundant phrase.
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