Portal:Spaceflight/On This Day/26 December
- 1967 - A Kosmos-2I launches the Kosmos 197 satellite.
- 1968 - A Kosmos-2I launches the Kosmos 262 satellite.
- 1973 - A Kosmos-3M launches the Aureole 2 satellite.
- 1974 - A Proton-K launches the Salyut 4 space station.
- 1974 - A Kosmos-3M launches the Kosmos 700 satellite.
- 1978 - A Kosmos-3M launches the Kosmos 1067 satellite.
- 1978 - A Soyuz-U launches the Kosmos 1068 satellite.
- 1980 - A Proton-K launches an Ekran satellite.
- 1980 - A Soyuz-U launches the Kosmos 1236 satellite.
- 1985 - A Tsyklon-3 launches a Meteor satellite.
- 1986 - A Soyuz-U launches the Kosmos 1810 satellite.
- 1986 - A Molniya-M launches a Molniya-1 satellite.
- 1987 - A Soyuz-U launches the Kosmos 1906 satellite.
- 1990 - A Soyuz-U launches the Kosmos 2120 satellite.
- 1994 - A Rokot launches the Radio-ROSTO satellite.
- 1994 - A Tsyklon-3 launches six Strela satellites.
- 1999 - A Tsyklon-2 launches the Kosmos 2367 satellite.
- 2004 - A Proton-K launches three GLONASS satellites.
- 2010 - A Proton-M launches the KA-SAT satellite.
- 2013 - A Proton-M launches the Ekspress AM5 satellite.