This Day in Jewish History Read More: Http://www.haaretz.com/israel-news/this-day-in-jewish-history/ 1349: A Valentine's Day Massacre in Alzace

The Black Death, sweeping Europe in the 14th century, provided an excuse for the citizens of Strasbourg to unleash their anti-Semitism.

On February 14, 1349 – St. Valentine’s Day – the Jewish residents of Strasbourg, in Alsace, were burned to death by their Christian neighbors....