Among others, these persons attended Beekvliet: During World War II it was used as an internment camp, same as the seminary in Haaren.
Among the detainees, discussions started to take place about the renewal of social relationships in the Netherlands and the abolition of the "pillarisation".
Interned political and well-known figures included Wim Schermerhorn (the Netherlands' first Prime Minister after World War II), Willem Banning, Pieter Geyl, Niko Tinbergen, Hendrik Brugmans, Hendrik Algra, Marinus van der Goes van Naters, and Jan de Quay.
Several detainees were executed by the Germans on August 15, 1942 and October 16, 1942, as reprisals for actions by the resistance in other parts of the country.
The old Beekvliet buildings were mostly demolished and covered an area that is now surrounded by the following streets: Spijt - Beekgraaf - Krommeweg - Beekvlietstraat - Seminarielaan - Schijndelseweg.