NewEngland.com: Spring Weekend in Worcester, Massachusetts

Did you know that the monkey wrench was born in Worcester, Massachusetts? The first Valentine’s Day card, too. The birth control pill, the space suit, the liquid-fuel rocket—yup, all invented in the Woo. Even modern-day emojis can be traced back to this city, with the creation of the smiley face in 1963 for an insurance company’s marketing campaign.