In 2018, the San Sebastian International Film Festival (SSIFF) and Elías Querejeta Zine Eskola (EQZE), launched the research and archive project Zinemaldia 70: All Possible Histories. In this talk "How to archive a film festival?" Pablo La Parra-Pérez (EQZE/SSIFF) explains the project. In the light of the SSIFF's 70th anniversary in 2022, the aim is to create a ‘living archive’ in order to study and debate the past, present, and future of SSIFF. Following Pablo La Parra-Pérez’ presentation, IFFR’s programmer Gerwin Tamsma discusses the archiving of SSIFF as a model for IFFR.