> Before 1834: Department van Oorlog.
1843: Ministerie van Oorlog.
1928: Ministerie van Defensie (Ministerie van Oorlog merged with Ministerie van Marine).
1940ish: split again into Department van Oorlog and Departement van Marine. Departement was probably also called Ministerie at this time.
1959–now: merged again into Ministerie van Defensie.