Leathercraft Family Tree - Our Heritage
Junto LLCにより
1. 3.3 Million BC - Stone Flakes for Skinning Hides
1.1. 400,000 BC - Evidence of Leather-specific Tools
1.1.1. 82,000 BC - We Begin to See Bone Awls in South Africa
1.1.1.1. 33,000 BC - The First Sewing Needles
1.1.1.1.1. 5,000 BC - Oldest Leather Tanneries, in Sumer