Portal:Spaceflight/On This Day/21 November

• 1964 - A Scout X-4 launches the Explorer 24 and 25 spacecraft.
• 1967 - A Kosmos-2I launches the Kosmos 191 satellite.
• 1968 - A Voskhod launches the Kosmos 254 satellite.
• 1973 - A Voskhod launches the Kosmos 609 satellite.
• 1974 - A Molniya-M launches a Molniya-3 satellite.
• 1974 - An Atlas-Centaur launches the Intelsat 408 satellite.
• 1975 - A Voskhod launches the Kosmos 780 satellite.
• 1975 - A Kosmos-3M launches the Kosmos 781 satellite.
• 1978 - A Soyuz-U launches the Kosmos 1049 satellite.
• 1979 - A Titan IIIC launches two DSCS satellites.
• 1980 - A Vostok-2M launches the Kosmos 1222 satellite.
• 1984 - A Soyuz-U launches the Kosmos 1611 satellite.
• 1986 - A Kosmos-3M launches eight Strela satellites.
• 1987 - An Ariane 2 launches the TV-SAT satellite.
• 1992 - A Scout G-1 launches the MSTI-1 satellite.
• 1996 - An Atlas IIA launches the Hot Bird 2 satellite.
• 2000 - A Delta II launches the Earth Observing-1, SAC-C, and Munin satellites.
• 2000 - An Ariane 4 launches the Anik F1 satellite.
• 2010 - A Delta IV-Heavy launches USA-223 for the US NRO.
• 2013 - A Dnepr-1 launches 32 satellites including DubaiSat 2 and STSAT-3, breaking the record for the most number of satellites launched on a single rocket.