2014 Event The cryogenic engine built India's Space Research Organisation engineers powers the launch of the Geosynchronous Satellite Launch Vehicle (GSLV-D5), which successfully placed a 1,982-kg GSAT-14 communications satellite into orbit in 17 minutes 1965 Event Intelsat 1 ("Early Bird") 1st coml geosynchronous communication satellite 1965 Event Syncom 3, 1st geosynchronous communications satellite, passes from civilian to military control 1963 Event U.S. Syncom 2, 1st geosynchronous communications satellite, launched 1962 Event Telstar, 1st geosynchronous communications satellite, launched 1945 Event Arthur C. Clark proposes relay satellites in geosynchronous orbit
