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
Passover The sacrifice could not be offered with anything leavened (), and had to be roasted, without its head, feet, or inner organs being removed () and eaten together with unleavened bread ("matzo") and bitter herbs ("maror"). One had to be careful not to break any bones from the offering (), and none of the meat could be left over by morning ( ). Because of the Passover sacrifice's status as a sacred offering, the only people allowed to eat it were those who had the obligation to bring the offering. Among those who could not offer or eat the Passover