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.
|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.
|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'.
|Great Britain - 15 July 1970|
For more 'R' related stamps visit Sunday-stamps-r.