20 – 21 January 1934At the railway station in Padborg (Pattburg), Denmark, located on the German-Danish border, 68 Roma’s attempt to return to their home country of Norway fails.
1938
14 October 1938Foundation of the University Institute of Hereditary Biology and Eugenics in Copenhagen, Denmark. Shortly afterwards, the institute begins to study the ‘gypsy population’.
1940
9 April 1940German troops march into Denmark. The government and parliament remain in place despite the occupation.
1943
28 April 1943In Denmark, a study on Danish ‘gypsies’ deploying racial-biological criteria is published in English.
29 August 1943The Danish government resigns and the country, which has been under German occupation since 1940, is then governed by a German military administration.