While 1970s/1980s feminist film theory questioned the representability of women within a male-dominated industry, renewed interest in early film history revealed unexpected numbers of women film makers. The international Women Film Pioneers Project (WFPP), an ever-growing database housed at Columbia University, New York, documents research into the pioneering work of women in cinema's first crucial decades as it became a mass and transnational medium. A surge of monographs has followed, focusing on women's diverse careers, the gendering of film studio organization and practices, and the cultural impacts of female audiences, campaigners, journalists, and critics. These discoveries are emerging in festival and film theater programming, film education, and local cultural activity. In Britain, the Women's Film & Television History Network-UK/Ireland, encourages research across the barriers between silence and sound, cinema and television. In what follows, the Network records key issues and figures emerging from the project of women's film history.Feminist theory's encounter with film history questions the gendered assumptions that determine historical methods and what counts historically. Following Gertrude Stein, Jane Gaines (2018) asks: How does the historian know? The term "history" is ambiguous, referring both to what happened and its narrativization as "story." Where we look for evidence and how it is interpreted depends on the questions asked, underlying gendered expectations, and the conventions of narrative construction. Historical knowledge is provisional: new questions emerge; new discoveries are made that contradict or alter the known. So, asked Shelley Stamp at the 2018 Doing Women's Film and