In examining the shifting narratives of sexual identity in the 20th and 21st centuries and their impact on the process of human social d. Different cultures in different historical eras have organized human sexuality in a multiplicity of diverse forms and functions, constructing stories of sexual identity that serve a larger social structure with master narratives of what it means to be a member of a given community, culture, and society. When viewed through the broad lens of social history, the story of sexual identity across place and time is infused with extraordinary contextual specificity.