 On 23 October 2018, the 70,000th "Stolperstein" was installed in Frankfurt, Germany, for Willy Zimmerer, a victim of Nazi euthanasia who was murdered at Hadamar on 18 December 1944, when he was 43 years old.On 29 December 2019, the 75,000th "Stolperstein" was installed in Memmingen (Bavaria) for Martha and Benno Rosenbaum.