A list of events in the 1920s related to serial killers.
1920[]
- May 6 — Martha Beck is born.
- June 2 — Jacob C. Denton is murdered by Louise Peete.
- July 9 — Monroe Betterton died.
- October 18 — Leroy McGahuey is born.
- December 2 — "Schultz" is apprehended.
- December ? — Lyda Ambrose is apprehended (allegedly).
- ? — James P. Watson is apprehended.
1921[]
- January 28 — James Hall is born.
- 17 — Clara Strandberg (victim) is born.
- May 18 — Emil Schutte is apprehended.
- May ? — Lyda Southard is apprehended.
- July 8 — Harold Jones is apprehended.
- August 4 — Faye Copeland is born.
- August 21 — Carl Großmann is apprehended.
- November 22 — Eddie Adams died.
- ? — Jimmy Allen is born.
- ? — "Schultz" died.
1922[]
- February 14 — William Guatney is born.
- March 7 — Szczepan Paśnik and Józefa Paśnik are apprehended.
- March 18 — Bernard Pesquet is born.
- April 7 — Józefa Paśnik died.
- April 7 — Szczepan Paśnik died.
- May 8 — J. Frank Hickey died.
- July 5 — Carl Großmann died.
- August 10 — Johann Mayer is apprehended.
- August 23 — Giorgio Vizzardelli is born.
- November 24 — Emil Schutte died.
- ? — Marius Andrieu is born.
- ? — Victor Awwad is born.
- ? — Wilhelm Blume is apprehended.
- ? — Wilhelm Blume died.
- ? — Anna Cunningham is apprehended.
- ? — Ray Gardner is born.
- ? — Lester Harrison is born.
- ? — Christa Lehmann is born.
- ? — Stanislas Walezewsky is born.
1923[]
- June 8 — Vladimir Vinnichevsky is born.
- June ? — Noah Arnold is apprehended.
- August 8 — Albert Burrows died.
- October 27 — Guy Muldavin is born.
- October ? — Xu Renzhong is born.
- December 29 — Johann Mayer died.
- ? — Flora Barnett is born.
- ? — Albert Burrows is apprehended.
- ? — Herbert Copeland is apprehended.
- ? — Joe Fischer is born.
- ? — Wilmon Goodwin is born.
- ? — Anna Hauptreif is apprehended.
1924[]
- March 23 — Joseph Taborsky is born.
- April 2 — Leslie Irvin is born.
- April 13 — John Balaban is born.
- June 9 — Albert Pel died.
- June 17 — William MacDonald is born.
- June 22 — Fritz Haarmann is apprehended.
- August 8 — Euzebe Vidrine died.
- August 19 — Wesley Peery is born.
- September 8 — Euphemia Mondich is apprehended.
- November 1 — Anna Hauptreif died.
- December 19 — Noah Arnold died.
- December 20 — Karl Denke is apprehended.
- December 22 — Karl Denke died.
- ? — Charles Barr is apprehended.
- ? — Odell Jackson is apprehended.
- ? — Pearl Jackson is apprehended.
- ? — Stephen Nash is born.
- ? — Euzebe Vidrine is apprehended.
- ? — Stanisław Zboński is apprehended.
1925[]
- January 10 — Gusztáv Léderer is apprehended.
- January 22 — Herbert Copeland died.
- April 15 — Fritz Haarmann died.
- May 28 — Stanisław Zboński died.
- August 12 — Lois Jurgens is born.
- August 18 — Johann Berchtold died.
- August 21 — Claus Blixt died.
- August 23 — Anjette Lyles is born.
- October 5 — Harvey Collins is born.
- December 14 — Akira Nishiguchi is born.
- ? — Jose Miculax Bux is born.
- ? — Horace Carter is born.
- ? — Anna Dvořáčková is apprehended.
- ? — Hassan Orangi is born.
- ? — Edward Paisnel is born.
- ? — Martha Wise is apprehended.
1926[]
- April 5 — Milton Taylor Vest is born.
- June 8 — Ansis Kaupēns is apprehended.
- June 13 — Adolph Laudenberg is born.
- August 20 — Charles Barr died.
- November 3 — Genzo Kurita is born.
- November 12 — Gusztáv Léderer died.
- ? — Eunice Brillhart is born.
- ? — Stanley Buckowski is born.
- ? — Gaston Guyot is apprehended.
- ? — Burl Rouse is born.
1927[]
- February 6 — Glennon Engleman is born.
- March 10 — Takeshige Hamada is born.
- March 13 — Peter Manuel is born.
- May 6 — Ansis Kaupēns died.
- May 18 — Harvey Carignan is born.
- June 1 — András Pándy is born.
- June 16 — Earle Nelson is apprehended.
- June 24 — Frank Carter died.
- July 12 — José Augusto do Amaral died.
- October 18 — Zdzisław Marchwicki is born.
- October 27 — Henderson Williams is born.
- December 10 — Harvey Glatman is born.
- ? — José Augusto do Amaral is apprehended.
- ? — René Cerón Pardo is born.
- ? — Fritz Edel is apprehended.
- ? — Stanislaw Gonerka is born.
1928[]
- January 13 — Earle Nelson died.
- February 18 — Vender Duncan is born.
- May 6 — Werner Boost is born.
- August 23 — Marie Noe is born.
- September 19 — Gordon Stewart Northcott is apprehended.
- November 15 — William Heirens is born.
- ? — Melvin Rees is born.
1929[]
- February 25 — Clarence W. Walker is born.
- May 6 — Dagmar Overbye died.
- July 2 — Albert Millet is born.
- July 16 — Charles Ray Hatcher is born.
- September 8 — Michel Sydor is born.
- October 7 — Arwed Imiela is born.
- October 10 — Karl Svensson-Sjögren is born.
- December 8 — Richard Eberling is born.
- ? — James Baker is apprehended.
- ? — Henry Colin Campbell is apprehended.
- ? — Zsuzsanna Fazekas is apprehended.
- ? — Clarence Hill is born.
- ? — Major Lisenba is apprehended.
- ? — Raman Raghav is born.
- ? — Robert Dean Weeks is born.