Abstract We describe the Archive of Interwar Europe Election Data and Assemblies (AIEEDA). a new multi-level dataset of parliamentary elections in interwar Europe (1919-1939). The data contains electoral results for all parties that ran in 137 national parliamentary elections in 25 interwar European democracies. It further offers detailed time-invariant ideological and organizational ... https://steedaes.shop/product-category/engine-brackets/