Prehistoric Era: 45,000 - 3501 B.C.
45,000 BC: Neanderthal Man carves on Wooly Mammoth tooth, discovered near Tata, Hungary

30,000: Horse engraved on pelvis bone. Ivory horse, oldest known animal carving, from mammoth ivory, discovered near Vogelherd, Germany
Horse Image
Ice Age
Credit: mediahistory.com
28,000:
Sketch of Cro-Magnom engrravind
Sketch of Cro Magnon engraving
Credit: mediahistory.com
Sketch of Cro Magnon engravingmay be lunar notation. The Cro-Magnon notation, possibly of phases of the moon, carved onto bone, discovered at Blanchard, France.
c. 10,000: Engraved antler baton, with seal, salmon and plants portrayed, discovered at Montgaudier, France
c. 8,000 -- 3100 BC: In Mesopotamia, tokens used for accounting and record keeping