Antisemitism has been growing stronger since the 1930s, first in Germany, and then throughout Europe.
In 1933, Nazi Germany began discriminating against Jews, in 1935 it promulgated the Nuremberg Laws, which defined Jews as a racial category and excluded them from state and public services, including universities and schools, and in 1938, a new phase of antisemitism began, marked by the Pogrom of the 9 and 10 November. Riots broke out in Germany and the recently annexed Austria, attacking religious and cultural institutions, shops and private apartments owned by Jews. More than 30,000 Jews were arrested and interned in camps, and many were beaten. More than a hundred Jews were killed, and many committed suicide. This marked a new, violent phase in anti-Jewish Nazi policy.
As the German Reich expanded its borders, so did its antisemitic policy. After the annexation of Austria and the Sudetenland in Czechoslovakia and the occupation of Czechoslovakia and the division of the country, the German Reich attacked Poland on September 1, 1939, starting the Second World War. The war will reach the Kingdom of Yugoslavia by the spring of 1941.