The Nuremberg Laws is the name for three (historically: two laws) that were set into practice in Germany in 1935, and that were valid until 1945. They are named after the city of Nuremberg where the legislative assembly met.
They were:
On the 14th of November 1935, the Nuremberg laws were expanded prohibiting Roma (Gypsies), Blacks or any of their offspring from engaging in marriage or sexual relations with 'Those of German or German related blood'.