Home›Soviet Union and Russia›FirstsBrowse ByFirstsFactsFirstsSourcesComments (0)Reader Challenges (0)FactsComparisonField Origin EraWell-attested1961 1FirstsFirst for a Group of PeopleFirsts3 entriesFirst From Their CountryFirsts2 entriesFirst in Spaceflight OperationsFirsts7 entriesPioneering Spaceflight MilestoneFirsts7 entriesSpaceflight RecordFirsts12 entriesSources1. Wikipedia: Yuri Gagarintier 2Wikimedia FoundationYuri Gagarin, lead sectionQuote, Yuri Gagarin, lead sectionTravelling on Vostok 1, Gagarin completed one orbit of Earth on 12 April 1961.View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.