The safety pin was patented on April 10, 1849

The safety pin is an item most of us have used. Walter Hunt received the U.S. Patent on his invention on April 10, 1849.
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These are the 50 most common four-digit PINs leaked on the dark web—make sure none of them are yours

Choosing a phone PIN code that's easy to remember might be a time-saver. It's also a potential security risk. If your phone or another device is lost or stolen, an easily-guessed PIN code makes it ...