The first amateur radio satellite OSCAR 1 was launched on December 12, 1961.
A full list of names and frequencies of amateur radio satellites compiled by Mineo Wakita JE9PEL can be seen at http://www.ne.jp/asahi/hamradio/je9pel/satslist.htm
The satellite launch dates along with sound recordings of many of them are available on the website of Matthias Bopp DD1US at http://www.dd1us.de/historical%20sounds%20from%20space.html