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・ 1912 in Italy
・ 1912 in literature
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・ 1912 in Norwegian football
・ 1912 in organized crime
・ 1912 in paleontology
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1912 in science
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・ 1912 Indianapolis 500
・ 1912 International Cross Country Championships
・ 1912 International Lawn Tennis Challenge
・ 1912 Iowa Hawkeyes football team
・ 1912 Isle of Man TT
・ 1912 Jamaica hurricane


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1912 in science : ウィキペディア英語版
1912 in science

The year 1912 in science and technology involved some significant events, listed below.
==Astronomy==

* At the beginning of this year an extreme decadal variation in length of day produces mean solar days having a duration of 86400.00389 seconds of Terrestrial Time (or ephemeris time), the slowest rotation of Earth's crust ever to be recorded.

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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