Italian astronomer Giovanni Cassini discovered Iapetus, Saturn’s third-largest moon.
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Two new moons of Saturn were found in photos from the Hubble Space Telescope by Astronomers Amanda S. Bosh and Andrew S. Rivkin.
Pioneer 11 makes its closest approach to Saturn.
NASA's Saturn I rocket was tested for the first time in Mission Saturn-Apollo 1.
Saturn, Jupiter, and Mars came into alignment. Medieval scholars believed this phenomenon brought forth the Black Death.
The Cassini–Huygens spacecraft became the first to enter Saturn's orbit.
