Question: Vostok 2, was a Soviet space mission which carried cosmonaut Gherman Titov into orbit for a full day on which date, Titov's number of orbits and flight time would be surpassed, until by American astronaut Gordon Cooper's Mercury-Atlas 9 spaceflight in May 1963?
Sentence (from "Vostok 2"): Vostok 2 (Russian: Восток-2 , "Orient 2" or "East 2") was a Soviet space mission which carried cosmonaut Gherman Titov into orbit for a full day on August 6, 1961 to study the effects of a more prolonged period of weightlessness on the human body.
Relevant evidence: Yes