Portal:Spaceflight/On This Day/20 July
- 1965 - An Atlas-Agena launches the Vela 3A and 3B satellites.
- 1966 - A Soyuz launches the Kosmos 125 satellite.
- crewed spacecraft to land on the Moon.
- 1971 - A Voskhod launches the Kosmos 429 satellite.
- 1972 - A Kosmos-3M launches eight Strela satellites.
- 1977 - A Molniya-M launches the Kosmos 931 satellite.
- 1977 - A Soyuz-U launches the Kosmos 932 satellite.
- 1979 - A Vostok-2M launches the Kosmos 1116 satellite.
- 1983 - A Soyuz-U launches the Kosmos 1483 satellite.
- 1989 - A Soyuz-U launches the Kosmos 2032 satellite.
- 1990 - A Soyuz-U launches the Kosmos 2086 satellite.
- 1994 - A Soyuz-U launches the Kosmos 2283 satellite.
- 1995 - A Soyuz-U launches the Progress M-28 spacecraft to resupply Mir.
- 2001 - A Molniya-M launches a Molniya-3 satellite.