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jan 1, 2500 BC - Creation of Calendar Systems – (c. 2500 BCE)

Description:

Ancient Egyptians and Mesopotamians developed calendar systems based on lunar and solar cycles. These calendars helped plan agricultural activities and religious festivals. Accurate timekeeping supported the organization of society and governance.

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Working World History Timeline

ByMr. Lennox
10 months ago
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Date:

jan 1, 2500 BC
Now
~ 4529 years ago
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