1961 - Venera program: Venera 1 becomes the first manmade object to fly-by another planet by passing Venus (however the probe had lost contact with earth a month earlier and did not send back any data).
... in a single ship
Roy Chapman Andrews, (1884-1960), US explorer
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Vasco Nunez de Balboa, (c. 1475-1519), (- Spanish, first to sight the Pacific Ocean, founded ...