October 12th, 1999 was declared "The Day of Six Billion" based on United Nations projections.

Musk is extracted from the bottom of a civet, and is used as an ingredient to make perfumes.

In 1923, the first neon sign was introduced in the U.S. Two neon signs were sold to a Packard car dealership for $24,000 which read, "Packard."

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