Music was sent down a telephone line for the first time in 1876, the year the phone was invented.
Accounts from Holland and Spain suggest that during the 1500s and 1600s urine was commonly used as a tooth-cleaning agent.
In 1958 the US sent two mice called Laska and Benjy into space.
In 1961 the US launched a male chimpanzee called Ham into space.
Great Britain was the first county to issue postage stamps, on 1 May 1840. Hence, UK stamps are the only stamps in the world not to bear the name of the country of origin.
The first parachute jump from an airplane was made by Captain Berry at St. Louis, Missouri, in 1912.