The first box of Crayola that was ever sold had the same eight colours that are sold in the box today consisting of red, blue, yellow, green, violet, orange, black and brown. The box was sold for a nickel in 1903.

There was a post office on the Russian space station Mir. Visiting cosmonauts would use unique postal "markers" to stamp envelopes and other items as having flown aboard the Mir space station.

There are twice as many kangaroos in Australia as there are people. The kangaroo population is estimated at about 40 million.

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