5 h 2 m, 29 jun 3000 ano antes da era comum - Sumerian Create Modern Time System

Descrição:

At around 3000 B.C. the Sumerians in Mesopotamia divided the day in 24 hours, the hour into 60 minutes and the minute into 60 seconds. This is a very significant event because it shows a very large step towards modern civilization. It is also very important because this system is still relevant and used in today's society.

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