The Egyptians developed the first accurate calendar.
it was built in 1427
Egypt were the first ones to use the 365-day calendar
Egypt
in the nine hundreds
The Jewish calendar came first. It was created in 3760 B.C. while the Mayan calendar was created in 3372 B.C.
The Mayans
shang
the mayans created the first calendar
The Newgate Calendar was created in 1774.
Positivist calendar was created in 1849.
Kingfisher Calendar was created in 2003.
Country Calendar was created in 1966.
Lemarean Calendar was created in 2002.
Calendar Man was created in 1958.
Fasli Calendar was created in 1650.
The Calendar of Nature was created in 1821.