The first EOSC-hub Week took place on 16-20 April 2018 in Malaga, Spain. The week revolved around two major events: a public day, gathering over 170 stakeholders, and an EOSC-hub "all hands" meeting open only to EOSC-hub partners. The public day, sponsored by the EGI Foundation, the EUDAT CDI and the XDC project, welcomed the participation of service providers, representatives of the research communities and policy makers engaged in the establishment of the European Open Science Cloud. The day kicked-off with a keynote presentation by Augusto Burgueño Arjona, Head of the EC "eInfrastructure" Unit, Directorate General for Communications Networks, Content and Technology (DG CONNECT). The programme was then organised around four major tracks...