6) Military Dog Tags were inspired by Puppy Dog Tags.
The military has seemingly always used ID tags for soldiers and other people within their ranks and the devices got titled Dog Tags for some mysterious reason, right?
Well, in fact, dog tags for the military are inspired directly by dog tags for our furry friends.
Dog tags were first put into use for pets in the 1850s thanks to the beginning of a law that required dog licensing. This law was put in place for people to track which dogs were attacking the livestock of their neighbors.
In the 1860s this system caught on in the military so soldiers had a way of being identified for their family back home in case something went wrong and they were killed in action.
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