There are six memorial sites for the victims of the Nazi era, the "Monument for the Victims of Nazi Persecution" (); the monument, "Passage over the River Styx" () for the victims of the Hamburg firestorm; the "Memorial Grove for the Hamburg Resistance Fighters", which includes a memorial erected on the initiative of the Sophie Scholl Foundation, the "Ehrenfeld Hamburg Resistance Fighters"; the "Cemetery for Foreign Victims", erected in 1977 to honor the victims of Nazi concentration camps and forced labor; and the ("memory spiral") erected in 2001 in the "Garden of Women", as a memorial for the female victims and opponents of the Nazi regime. An additional memorial site was erected in 1951 at the nearby Jewish cemetery, Ilandkoppel, the "Monument for the Murdered Hamburg Jews".