March 23, 1937:
In his encyclical "Mit brennender Sorge" ("With Burning Anxiety") Pope Pius XI. condemns the Nazi's divinization of race, the nation and the state.
April 26, 1937:
On behalf of General Franco the Condor Legion bombs the Basque town Guernica.
July 19, 1937:
After "purging" Germany's museums of most works of modern art the exhibition "degenerate art" is opened in Munich.
Buchenwald Concentration Camp is established near the city of Weimar.
November 16, 1937:
Decree of the Ministry of the Interior confining the issue of passports for Jews to exceptional cases.