1893-1976
Eastern Europe
(372) documents
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September 26, 1957
Presidium (Politburo) decree approving launch of satellite
September 24, 1957
On preparations to launch first Soviet satellite
January 30, 1956
Council of Ministers decree officially approving the launch of a satellite during the International Geophysical Year
August 5, 1955
Requesting permission to launch a satellite during the International Geophysical Year