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oct 4, 1957 - 苏联发射第一颗人造地球卫星

Description:

1957 年 10 月 4 日，基于 R7 导道导弹设计，苏联成功发射第一颗人造地球卫星。

Added to timeline:

少女前线世界观补全计划

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8

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28893

Date:

oct 4, 1957

Now

~ 68 years ago

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