Prehistory (250000 - 10000 B.C.E.)

Tally marks

Human invent tally marks, their first numeral systems

Around 43,000 years ago, early humans carved the first tally marks into bone, inventing the earliest known numeral systems. This brilliant shift toward abstract mathematics allowed our ancestors to track lunar cycles and inventory resources. It laid the vital groundwork for modern mathematics, commerce, and advanced human societal planning.