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jan 1, 1281 - 郭守敬《授时历》施行

Description:

#1281

郭守敬最突出的成就是设计和监制多种天文观测仪器，主持全国范围的天文测量，编定新的历法《授时历》，

其中测定的数据在当时世界上处于领先地位

Added to timeline:

人教版高中历史|Chinese students' PEP SENIOR HIGH HISTORY TEXTBOOKS

ByGUZI
8 months ago
4
0
3489

Date:

jan 1, 1281
Now
~ 744 years ago
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