The EU Social Policy database provides an overview of the European Union’s Social Policy development from the start of the integration to the end of 2019. It is part of a multi-annual project carried out at the University of Bremen, at Leipzig University and at the Freie Universität Berlin. Further information can be found here.
The PEU database provides an overview of the European Commission’s historical development from the start of the first Hallstein Commission in 1958 to start of the von der Leyen Commission in 2020 (The deadline for the last data collection was 31 May 2020). The database was created as part of the multi-annual project "Position Formation in the EU Commission" (PEU) at the Social Science Research Center Berlin (WZB). Since then, the PEU has been continuously updated at the Free University Berlin (FUB). Further information can be found here.