Until this period, Jewish names generally changed with every generation. For example, if Moses son of Mendel (Moyshe ben Mendel) married Sarah daughter of Rebecca (Sora bas Rifke), and they had a boy and named it Samuel (Shmuel), the child would be called Shmuel ben Moyshe.
Although the term abstract expressionism was first applied to American art in 1946 by the art critic Robert Coates, it had been first used in Germany in 1919 in the magazine Der Sturm, regarding German Expressionism.
The Dada movement, formed in Zurich 1916, was a reaction to World War I, its anarchic iconoclasm appealing to the artists George Grosz, Kurt Schwitters, Max Ernst and John Heartfield who organized the First International Dada Fair in Berlin in 1920.