On Adar 24, Czar Alexander I of Russia declared the Blood Libel -- the infamous accusation that Jews murdered Christian children to use their blood in the baking of matzah for Passover, for which thousands of Jews were massacred through the centuries -- to be false. Nevertheless, nearly a hundred years later the accusation was officially leveled against Mendel Beilis in Kiev.
Link: A detailed look at the Beilis case, including primary evidence, photographs, interviews and a documentary.
One of the most unforgettable talks I ever heard from the Rebbe was
Each and every person is given all he needs to accomplish his mission in this world. But each of us have different missions, and therefore need different powers to accomplish them. Yet none of us has an easier time than any other.
Therefore, if you see a human being who appears deficient or “handicapped,” know that in truth that person must have compensatory powers others do not have.
Do not call him “handicapped”—call him “special”.