27. January
Holocaust commemoration day; liberation of the extermination camp Auschwitz 27. January 1945 27

3. March
Commemoration day of Sinti and Roma; deportation of their kinsmen to Auschwitz 3. March 1943  22, 32

1. April
Occupation of the Gewerkschaftshaus (labour union house) in Hanover by SS und SA on 1. April 1933 17

6. April
Commemoration at the tomb memorial at the Maschsee north bank; mass murder at the Seelhorst grave yard  41, 42
see appointments book IG Metall Hannover

10. April
Day of liberation in Hanover; American troops occupy the city 10. April 1945

8. Mai
Commemoration at the tomb memorial at the Maschsee north bank: burial of the victims of mass murder at the Seelhorst grave yard 8. Mai 1945 41, 42
see appointments book IG Metall Hannover

1. September
German Day of Peace (commemoration in the St. Giles Church (Aegidienkirche); Start of World War II on 1. September 1939

29. October
Expulsion of Polish Jews on 29. Oktober 1938

9. November
"Pogromnacht" on 9./10. November 1938 24

In November (on a Sunday)
Remembrance Sunday

15. December
First deportation of Hanoverian Jewish citizens; 1001 people were deported to Riga from the train station Hanover Fischerhof 15. December 1941 8, 22