April 10 – International Safety Pin Day

International Safety Pin day is observed on April 10 every year to mark the date Walter Hunt patented his safety pin. He called his invention a “dress pin” for the purpose of using it for dressing where previously a straight pin had been used.

Among Hunt’s many inventions and improvements to existing inventions were designs for a repeating rifle, flax spinner, knife sharpener, bullet casings, fountain pens., rope making machine, and many more.

International Safety Pin day is April 10, because, on that date in1849, Walter Hunt received a patent for his invention of the safety pin. Legend says he invented it in about three hours after he was pressured to repay a $15.00 debt or about $400 in today’s dollars. He patented it and sold the patent for $154 and paid off his debt.

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