THE FIRST PHD DAY OF EUROPEAN STUDENTS IN AEROSPACE ENGINEERING A NETWORK OF YOUNG RESEARCHERS IN EUROPE The first PhD day of European students in Aerospace Engineering is organised by AIDAA, the Italian Association of Aeronautics and Astronautics. AIDAA was founded in 1920 after the first world war by scientists and high officers of Italian Army and Air Force with the aim of promoting research, meetings, exchange of information, with the final goal of promoting the civil air transport in peace time. After a century from the foundation, AIDAA wishes to celebrate its centennial by collecting together the PhD students in Aerospace engineering from Universities and research centres of Europe, for the first time. The PhD students will have the possibilities to share their activities to all the colleagues in Europe and, thus, to create a net of the European young researchers; moreover, it will be possible to have a complete overview of the whole research activities in Aerospace in Europe.