Worst Valentine’s Day Design fails revealed

As the years went on, the holiday grew sweeter. Chaucer and Shakespeare romanticized it in their work, and it gained popularity throughout Britain and the rest of Europe. Handmade paper cards became the tokens-du-jour in the Middle Ages. Eventually, the tradition made its way to the New World. The industrial revolution ushered in factory-made cards in the 19th century. And in 1913, Hallmark Cards of Kansas City, Mo., began mass producing valentines. February has not been the same since.