Portal:Spaceflight/On This Day/1 September
- 1962 - A Molniya fails to launch an unknown satellite.
- CORONAsatellite.
- 1964 - A Titan IIIA, carrying no payload, fails to reach orbit on its maiden flight.
- 1967 - A Voskhod fails to launch an unknown satellite.
- AFP-827satellite.
- KH-8satellite.
- 1976 - A Molniya-M fails to launch the Kosmos 853 satellite.
- TIP-3satellite.
- 1982 - A Soyuz-U launches the Kosmos 1403 satellite.
- 1982 - A Soyuz-U launches the Kosmos 1404 satellite.
- Iridiumsatellite.
- 2000 - A Long March 4B launches the ZY-2 satellite.
- 2013 - A Long March 4C launches three reconnaissance satellites of the Yaogan 17 constellation.
- 2016 - Anomaly during a firing test causing the explosion and loss of Falcon 9 and AMOS-6 satellite.