Related events:

1. Monday 9th of September 1839 (+) — Serial poisoner Maria Swanenburg is born
   

2. Wednesday 26th of January 1848 (+) — Victim of Maria Swanenburg aka Goeie Mie Hendrik Frankhuizen is born
   

3. Friday 4th of December 1863 (+) — Victim of Maria Swanenburg aka Goeie Mie Catharina Swanenburg is born
   

4. Sunday 22nd of October 1865 (+) — Victim of Maria Swanenburg aka Goeie Mie Johanna Swanenburg is born
   

5. Friday 25th of May 1866 (-) — Victim of Maria Swanenburg aka Goeie Mie Johanna Swanenburg is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
   

6. Friday 25th of May 1866 (-) — Victim of Maria Swanenburg aka Goeie Mie Catharina Swanenburg is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
   

7. Thursday 21st of January 1869 (+) — Victim of Maria Swanenburg aka Goeie Mie Johannes Swanenburg is born
   

8. Thursday 12th of May 1870 (-) — Victim of Maria Swanenburg aka Goeie Mie Johannes Swanenburg is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
   

9. Monday 4th of December 1871 (-) — Victim of Maria Swanenburg aka Goeie Mie Pieternella Swanenburg is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
   

10. Thursday 26th of January 1871 (+) — Victim of Maria Swanenburg aka Goeie Mie Pieternella Swanenburg is born
    

11. Tuesday 24th of February 1874 (+) — Victim of Maria Swanenburg aka Goeie Mie Clement Swanenburg is born
    

12. Wednesday 14th of November 1877 (-) — Victim of Maria Swanenburg aka Goeie Mie Clement Swanenburg is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
    

13. Monday 30th of May 1881 (-) — Victim of Maria Swanenburg aka Goeie Mie Cornelia De Hees-Van Der Linden is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
    Swanenburg and De Hees were sisters in law.

14. Thursday 3rd of November 1881 (-) — Victim of Maria Swanenburg aka Goeie Mie Arend De Hees is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
    

15. Friday 15th of July 1881 (-) — Victim of Maria Swanenburg aka Goeie Mie Willem De Hees is poisoned by Maria Swanenburg aka Goeie Mie
    De Hees was Swanenburg's nephew.

16. Wednesday 12th of December 1883 (-) — Victim of Maria Swanenburg aka Goeie Mie Mien Frankenhuizen-Van Der Linden is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
    

17. Thursday 22nd of November 1883 (-) — Victim of Maria Swanenburg aka Goeie Mie Catharina Aben is poisoned with arsenic by Maria Swanenburg aka Goeie Mie
    

18. Wednesday 19th of December 1883 (-) — Victim of Maria Swanenburg aka Goeie Mie Hendrik Frankhuizen is poisoned by Maria Swanenburg aka Goeie Mie
    

19. Thursday 23rd of April 1885 (x) — Start of the trial against Serial poisoner Maria Swanenburg
    Swanenburg was charged with the poisoning of over 100 people, killing at least 30.

20. Wednesday 13th of January 1909 (+) — Communist and presumed arsonist Marinus Van der Lubbe is born