Sept. 30, 1656

Edict, issued jointly by the feudal lords of Holland [Present-day Netherlands]: “In the regular marketplaces, all Jewish vendors shall be publicly identified by the town crier, on three days of every week.”
Koch, Christian Friedrich. Die Juden im Preussischen Staate (The Jews in the State of Prussia). Baumann: Marienwerder (Prussia), 1833. Page 152. Researched by Dominik Jacobs 4/1/2020