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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

1 months ago

4

0

21187

Date:

oct 4, 1957

Now

~ 67 years ago

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