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The 28 pages that link to Yuri Gagarin, each with the reason it gives.

• Apollo programRelated: His flight preceded the announcement of the United States’ lunar-landing goal.

• Sergei KorolevRelated: Korolev's Vostok program made Gagarin's historic flight possible.

• Soviet space programRelated: His flight made him an international symbol of Soviet achievement and human spaceflight.

• Human spaceflightRelated: His flight made crewed orbital travel a demonstrated capability rather than a theoretical goal.

• Valentina TereshkovaRelated: Gagarin’s pioneering flight established the achievement Tereshkova later extended to women.

• Baikonur CosmodromeRelated: Gagarin's flight departed from Baikonur and made the cosmodrome internationally known.

• Space explorationRelated: His flight made human spaceflight a central goal of national programs.

• Vostok spacecraftRelated: His successful flight established Vostok as the spacecraft of the first human spaceflight.

• Women in spaceRelated: His flight began the era of crewed spaceflight in which women later sought inclusion.

• Alexei LeonovRelated: Gagarin’s flight opened the human-spaceflight era in which Leonov later made the first spacewalk.

• Konstantin FeoktistovRelated: Gagarin flew in Vostok, the spacecraft whose design Feoktistov helped shape.

• Cosmonaut trainingRelated: His first flight demonstrated the need to prepare humans for spacecraft operations and spaceflight.

• Nikolai KamaninRelated: Kamanin helped select and prepare Gagarin for the Vostok 1 mission.

• RoscosmosRelated: His flight established the human-spaceflight legacy that Russia’s program continues.

• SaratovRelated: He studied and trained in the Saratov region before his spaceflight.

• Vladimir KomarovRelated: Gagarin and Komarov were close colleagues in the first cosmonaut group.

• History of spaceflightRelated: His flight made human space travel a demonstrated reality.

• Phạm TuânRelated: His pioneering flight established the Soviet program that later carried Phạm Tuân.

• Valeri PolyakovRelated: Gagarin represents the early Soviet crewed-spaceflight program in which Polyakov later served.

• Gherman TitovRelated: Gagarin’s Vostok 1 flight preceded and set the benchmark for Titov’s mission.