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"): Titov orbited the Earth over 17 times, exceeding the single orbit of Yuri Gagarin on Vostok 1 − as well as the suborbital spaceflights of American astronauts Alan Shepard and Gus Grissom aboard their respective Mercury-Redstone 3 and 4 missions.
Relevant evidence: No