From Aish.com: Today in 1881, the first shipload of Russian Jewish immigrants arrived in New York City. This began the mass immigration of eastern European Jews to America, and in the next half-century over 2 million Jews would flee Russian pogroms for the safety of the U.S. This influx indelibly altered the demographics of American Jewry; according to the U.S. census of 1940, 1.75 million Jews...