International Safety Pin day is always observed on April 10 to mark the date on which Walter Hunt patented the safety pin.The ubiquitous safety pin is also known by other names: baby pin, nappy pin, loincloth pin, diaper pin.
The patent was not an entirely new invention. Archaeological finds of ancient Greek and Roman sites have found similar items made from bone, ivory, silver, gold, or brass. Walter Hunt’s “dress pin” was designed to spring open and had a clasp covering the point to prevent the injuries that straight pins caused. For this reason, it became known as the safety pin.
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