Portal:Spaceflight/On This Day/25 March
- 1961 - A Vostok-K launches the Korabl-Sputnik 5 spacecraft.
- 1961 - A Thor-Delta launches the Explorer 10 spacecraft.
- 1965 - A Vostok-2 launches the Kosmos 64 satellite.
- 1965 - A Thor-Agena launches a CORONA satellite.
- 1967 - A Kosmos-2I launches the Kosmos 152 satellite.
- 1972 - A Kosmos-3M launches the Kosmos 480 satellite.
- 1972 - A Kosmos-2I launches the Kosmos 481 satellite.
- 1978 - A Titan IIIC fails to launch several DSCS satellites.
- 1982 - A Tsyklon-3 launches a Meteor-2 satellite.
- 1985 - A Soyuz-U launches the Kosmos 1643 satellite.
- 1986 - A Tsyklon-2 launches the Kosmos-1737 satellite.
- 1988 - A Scout G-1 launches the San Marco 5 satellite.
- 1993 - A Proton-K launches a Raduga satellite.
- 1993 - A Start-1 launches the EKA satellite.
- 1993 - An Atlas I launches the UHF-1 satellite.
- 1998 - A Long March 2C launches several Iridium satellites.
- 2000 - A Delta II launches the IMAGE satellite.
- 2002 - A Long March 2F launches the Shenzhou 3 spacecraft.
- 2012 - A Proton-M launches the Intelsat 22 satellite.