evidence: Rebirth Island (Russian: Остров Возрождения, IPA: [vəzrɐˈʐdʲenʲɪjə], lit. 'Rebirth Island'; Kazakh: Возрождение аралы, Vozrojdenie araly; Uzbek: Vozrojdeniye oroli) was an island in the Aral Sea. The former island's territory is split between Uzbekistan and Kazakhstan. In 1954, the Soviet Union constructed a biological weapons test site called Aralsk-7 there and on the neighbouring Komsomolskiy Island, which also no longer exists.