The affair engendered numerous antisemitic demonstrations, which in turn affected sentiment within the Jewish communities of Central and Western Europe. At the same time, Jews in the Russian Empire were under pressure of pogroms in response to political instability within the Pale. These factors persuaded Theodor Herzl, one of the founding fathers of Zionism, that the Jews must leave Europe and establish their own state.
I'm reading Wikipedia about this, and suddenly this jumps at me:
French post