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23 h 14 m, 12 abr 1955 año - the vaccine was released for use in the United States.
Añadido al timeline:
Chapter 20 The Postwar Years U.S. in the 1950s Timeline
By
baby boomer
15 dic 2017
0
0
503
fecha:
23 h 14 m, 12 abr 1955 año
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~ 70 years ago
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