Portal:Spaceflight/On This Day/10 April
- 1965 - A Molniya fails to launch an unknown satellite.
- 1974 - A Titan IIID launches a KH-9 satellite.
- 1979 - A Soyuz-U launches the manned Soyuz 33 mission.
- 1982 - A Delta 3910 launches the Insat 1A satellite.
- 1984 - A Soyuz-U launches the Kosmos 1548 satellite.
- 1992 - A Delta II launches a GPS satellite.