Leopoldstadt of the main train stations at which migrants from other parts of the empire arrived in Vienna. The high number of Jewish inhabitants led to the area being called "Mazzesinsel" ("Island of Matzo", referring to the unleavened bread eaten during Passover). Several important synagogues were located there, including the Schiff Shul, the Leopoldstädter Tempel, the Türkischer Tempel, the Polnische Schul, and the Pazmanitentempel, as well as yeshivas. None of the synagogues escaped the destruction during the "Kristallnacht" pogroms of November 1938 following the annexation of Austria by Nazi Germany. A fragment of a Torah scroll was saved by Heschel Messias
Maror two biblical reference to the "maror" is the verse quoted above (Exodus 12:8) in which it is mentioned in reference to the offering, and in Numbers 9:11 where "They are to eat the lamb, together with the unleavened bread and bitter herbs". This is in contradistinction to the obligation to consume "matzo" on the first night of Passover, which remains a biblical commandment even in the absence of the Paschal Lamb, because there are other biblical verses that mention "matzo" as a standalone obligation (Exodus 12:18, Deuteronomy 16:8) The word derives from the Hebrew word "mar" (מֵר or מָרָה —