Holes dug in the north of Scotland around 10,000 years ago, according to British archaeologists, not that other, as the world's oldest calendar. If this is true, then the calendar Stone Age nearly 5,000 years older than the Sumerian bronze calendar found in Mesopotamia, which is still considered the first calendar in the history of mankind.
Primitive calendar discovered during aerial terrain Warren Field in the Scottish county of Aberdeenshire. Specialists of the Royal Commission of Antiquities.
