Time's First Chapter: Unearthing the 10,000-Year-Old Lunisolar Calendar of Warren Field
In a field in Aberdeenshire, Scotland, lies the world's oldest known calendar. Created by Mesolithic hunter-gatherers around 8,000 BCE, the Warren Field monument consists of 12 pits that track lunar phases and align with the midwinter solstice, predating Mesopotamian timekeeping by millennia.