The Great Pyramids used to be as white as snow because they were encased in a bright limestone that has worn off over the years.

Before the 17th century, carrots used to be the colour purple.

In the 1940s, the FCC assigned television's Channel 1 to mobile Services(two-way radios in taxicabs, for instance) but did not re-number theotherchannel assignments. That is why your TV set has channels 2 and up, butnochannel 1.

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