Little is known about the synagogue in Ludwigslust. Presumably, the Jewish community used a rented room as a prayer hall as early as 1801. The synagogue at Breite Straße 28 was probably built around 1810. The synagogue would have had to be expanded and rebuilt as the congregation grew in number. The building project was delayed for several years, but there is hardly any information about the extent of its realization. Since the community already dissolved in 1924, the synagogue building was sold privately and continued to be used as a residential building.

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After centuries of expulsion, Jews were allowed to settle in Erfurt again from 1809. With growing settlement, construction of the Small Synagogue as a community center for Erfurt Jews was begun in 1839 . The neoclassical style building was completed just one year later. Due to a strong growth of the congregation, the synagogue became too small after only 44 years and it was decided to build a new, larger synagogue.