1902 - The first fingerprint identification. These things happened remarkable event in Denmark.
He served his Indian police official, William Herschel, he put forward the hypothesis that the pattern of the papillary lines of man is given once and for all. And, therefore, it is possible for them to identify the identity of the perpetrator. In order to confirm its hypothesis, I conducted extensive research, good enough material. These operating time Francis Galton was able to push the decision on registration in the UK criminals. These things happened in 1895 ...
However, as proof of the guilt of the prints from the crime scene it was first used in the same England in September 1902. Well, and then went around the world.
Although, if you dig a little history, it becomes clear that Chinese traders in the 17th century in transactions put fingerprints on the paper contract. The divorce between spouses also fastened finger print husband. So, we are known in China about similar properties papillary lines.
Today databases have fingers in all countries. But in most other than the base of the criminal there is total "voluntary" basis. If ever to be registered, then such a person to calculate the elementary. Especially because often used for identity verification is an imprint of some of the fingers.
Although, this is not an absolute guarantee against burglary
A verification by iris has many more degrees of protection ...