Echo 1 was the first passive communication satellite launched in 1960. It was used to bounce radio wave signals from one point on the earth to another.
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| USA - 15 December 1960 |
In 1778 Captain Cook, in command of the Resolution and Discovery, discovered the Hawaiian Islands. The next stamp was issued two hundred years later.
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| USA - 13 January 1978 |
A set of three stamps was issued to commemorate the ninth British Commonwealth Games held in Edinburgh in 1970. the 5d stamp depicted 'runners'.
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| Great Britain - 15 July 1970 |
