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23 jul 1957 año - 1957 The launch of Sputnik further invigorates the push for the instruction of math and science enrichment.
Añadido al timeline:
Gifted Recognition
By
Tricia Amedy
31 ago 2018
0
0
163
fecha:
23 jul 1957 año
Ahora mismo
~ 66 years ago
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