Portal:Spaceflight/On This Day/13 April
- 1959 - A Thor-Agena launches the Discoverer 2 satellite.
- 1960 - A Thor-Ablestar launches the Transit 1B satellite.
- 1963 - A Kosmos-2I launches the Kosmos 14 satellite.
- 1967 - A Lambda-4S fails to launch an unknown satellite.
- 1969 - An Atlas-Agena launches an AFP-827 satellite.
- 1974 - A Delta 2914 launches the Westar 1 satellite.
- 1975 - An Atlas E/F fails to launch the STP P72-2 satellite.
- 1976 - A Tsyklon-2 launches the Kosmos 814 satellite.
- 1985 - A Zenit-2 fails to launch an unknown satellite.
- 1990 - A Soyuz-U launches the Kosmos 2072 satellite.
- 1990 - A Delta II launches the Palapa B2R satellite.
- 1991 - A Delta II launches the Spacenet 4 satellite.
- 1994 - An Atlas I launches the GOES 8 satellite.
- 2007 - A Long March 3A launches the Beidou 2A satellite.