Support WBUR'Severing Love From Diapers': The Other Case Against Gay MarriageAlan GreenblattMarch 22, 2013 ShareZachariah Long (left) and Edward Ritchie protested last year against a gay marriage bill in Maryland. In 1973, Maryland became the first state to define marriage as a union of one man and one woman. Voters there legalized gay marriage in 2012. (AP)