The Egyptians developed the first accurate calendar.
I believe it was Julius Caesar.
A 12-month calendar was developed during the Shang Dynasty.
The Aztec calendar recognised 365 days
maya
The ancient Egyptians accomplished many things. They erected the Sphinx and pyramids, and a rich and developed civilization for the time.
Romans first developed the calendar used most today
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They developed the first calendar
False. The Maya developed highly accurate calendars, including the sacred Tzolk'in calendar and the solar Haab calendar. They also had a Long Count calendar that could track long periods of time with great precision.
The Mayans
The calendar was technically first invented by the Ancient Egyptians.
Egyptians
An extremely accurate calendar
an extremely accurate calendar.
I believe it was Julius Caesar.
Not completely accurate is our calendar.
the first accurate calebdar was recorded to be made in 450 B.C.E.