when did the chinese first use fingerprint as identification
Fingerprint Fingerprints were used as signatures in ancient Babylon in the second millennium BCE.[56] In order to protect against forgery, parties to a legal contract would impress their fingerprints into a clay tablet on which the contract had been written.In Ancient India some texts called Naadi were written by a Rishi called Agastya who had a highly developed consciousness, this text is said to predict the past, present and the future lives of all humans from thumb print.the Naadi palm leaves are located based on the thumb impressions (right for men, left for women).[57] This ancient Indian system of astrology was called Nadi astrology.By 246 BCE, Chinese officials were impressing their fingerprints into the clay seals used to seal documents. With the advent of silk and paper in China, parties to a legal contract impressed their handprints on the document. Sometime before 851 CE, an Arab merchant in China, Abu Zayd Hasan, witnessed Chinese merchants using fingerprints to authenticate loans.[58] By 702, Japan allowed illiterate petitioners seeking a divorce to "sign" their petitions with a fingerprint.[59][60]