Cosmonaut Training Center established near MoscowJan 11, 1960Labels: Cosmonaut Training, Soviet AirNASA History
First cosmonaut group secretly selectedFeb 25, 1960Labels: Cosmonaut candidates, Soviet officialsNASA History
Korabl-Sputnik 1 launches first Vostok test craftMay 15, 1960Labels: Korabl Sputnik, Vostok testKorabl Sputnik 1NASA History
Vanguard Six chosen for accelerated Vostok preparationMay 30, 1960Labels: Vanguard Six, cosmonaut groupNASA History
Korabl-Sputnik 2 returns animals safely from orbitAug 19, 1960Labels: Korabl Sputnik, Belka andKorabl Sputnik 2NASA History
Korabl-Sputnik 3 ends in fatal reentry test failureDec 1, 1960Labels: Korabl Sputnik, reentry failureMission List
Top three candidates named for first Vostok flightJan 18, 1961Labels: Yuri Gagarin, Top threeNASA History
Korabl-Sputnik 4 tests ejection and landing systemsMar 9, 1961Labels: Korabl Sputnik, ejection systemKorabl Sputnik 4Mission List
Korabl-Sputnik 5 completes final pre-human Vostok testMar 25, 1961Labels: Korabl Sputnik, Vostok 3KAMission ListNASA History
Vostok 1 launches Yuri Gagarin into orbitApr 12, 1961Labels: Vostok 1, Yuri GagarinBritannica VostokVostok 1
Vostok 2 extends human spaceflight to over a dayAug 6, 1961Labels: Vostok 2, Gherman TitovVostok 2Britannica Vostok
Vostok 3 and 4 fly simultaneously with close approachAug 11, 1962Labels: Vostok 3, Vostok 4Vostok 3 4Britannica Vostok
Vostok 5 sets endurance record as Vostok 6 followsJun 14, 1963Labels: Vostok 5, Vostok 6Vostok 5Vostok 6Britannica Vostok
Vostok 6 lands, closing the crewed Vostok seriesJun 19, 1963Labels: Vostok 6, crewed VostokBritannica VostokVostok 6