Portal:Spaceflight/On This Day/4 July


 * 1967 - A Voskhod launches the Kosmos 168 satellite.
 * 1968 - A Delta J launches the Explorer 38 spacecraft.
 * 1973 - A Voskhod fails to launch an unknown satellite.
 * 1975 - A Kosmos-3M launches the Kosmos 749 satellite.
 * 1977 - A Kosmos-3M launches the Kosmos 924 satellite.
 * 1987 - A Soyuz-U launches the Kosmos 1863 satellite.
 * 1989 - A Kosmos-3M launches the Nadezhda satellite.
 * 1991 - A Delta II launches the GPS IIA-11 satellite.
 * 1997 - Mars Pathfinder lands in the Ares Vallis region on Mars.
 * 2000 - A Proton-K launches the Kosmos 2371 satellite.
 * 2005 - The Deep Impact spacecraft encounters comet 9P/Tempel and blasts a crater in its surface.
 * 2006 - launches on mission STS-121.