Happy Pencil Day! Yes, in North America, March 30th is National Pencil Day. Why? Well, not because that’s when pencils were invented. Pencils have been around since Germany started mass producing them in the seventeenth century, but it was on March 30th, 1858, that an American, Hymen Lipman of Philadelphia, Pennsylvania, succeeded in obtaining a patent for his version – which had a rubber eraser attached.