The Impossible Border: Germany and the East, 1914-1922 - Paperbackby Annemarie H. Sammartino (Author) Between 1914 and 1922, millions of Europeans left their homes as a result of war, postwar settlements, and revolution. After 1918, the immense movement of people across Germany's eastern border posed a sharp challenge to the new Weimar Republic. Ethnic Germans flooded over the border from the new Polish state, Russian ? migr? s poured into the German capital, and East European Jews sought protection in Germany from