69 notable events from 1931 — wars, earthquakes and murders.
- Mukden incident
Sep 18, 1931 · China · War & armed conflict
- Stennes revolt
Apr 1, 1931 · Germany · War & armed conflict
- 1931 China floods
Nov 1, 1931 · China · Natural disaster
- Kumul Rebellion
Apr 4, 1931–1934 · China · War & armed conflict
- Murder of Paul Anlauf and Franz Lenck
Aug 9, 1931 · Germany · Murder & homicide
- Brest trials
Oct 26, 1931–Jan 13, 1932 · Poland · Crime & justice
- 1931 Hawke's Bay earthquake
Feb 3, 1931 · New Zealand · Earthquake
- Joseph Ardizzone
Oct 15, 1931 · United States · Murder & homicide
- 1931 Lublin tornado
Jul 20, 1931 · Poland · Natural disaster
- Ådalen shootings
May 14, 1931 · Sweden · Riot & unrest
- 1931 Transcontinental & Western Air Fokker F-10 crash
Mar 31, 1931 · United States · Aviation accident
- Szilveszter Matuska
Sep 13, 1931 · Murder & homicide
- Invergordon mutiny
Sep 15, 1931–Sep 16, 1931 · United Kingdom · War & armed conflict
- October incident
Oct 21, 1931 · Japan · War & armed conflict
- March incident
Mar 1931 · War & armed conflict
- Wanpaoshan Incident
Jul 2, 1931 · Massacre
- Death of Starr Faithfull
Jun 1931 · United States · Murder & homicide
- Nakamura Incident
Jun 27, 1931 · China · Incident
- Chilean naval mutiny of 1931
Aug 31, 1931–Sep 7, 1931 · Chile · War & armed conflict
- Kazym rebellion
1931–1934 · Russian Federation · War & armed conflict
- 1931 Dogger Bank earthquake
Jun 7, 1931 · United Kingdom · Earthquake
- Lynching of Charles Bannon
Jan 29, 1931 · United States · Genocide & ethnic violence
- Castilblanco events
Dec 31, 1931 · Spain · Genocide & ethnic violence
- Ahmed Barzani revolt
1931–1932 · Türkiye · War & armed conflict
- Clipperton Island case
Jan 21, 1931 · Crime & justice
- Murder of Vera Page
Dec 14, 1931 · United Kingdom · Murder & homicide
- Battle of Kufra (1931)
Jan 20, 1931 · Libya · War & armed conflict
- 1931 Avro Ten Southern Cloud disappearance
Mar 21, 1931 · Australia · Aviation accident
- Pleasant Hill bus tragedy
Mar 26, 1931 · United States · Road accident
- 1931 Kashmir agitation
Jul 13, 1931 · India · War & armed conflict
- 1931 Menshevik Trial
1931 · Crime & justice
- Madeira uprising
Apr 4, 1931–May 6, 1931 · Portugal · War & armed conflict
- Kurfürstendamm riot of 1931
Sep 12, 1931 · Germany · Genocide & ethnic violence
- 1931 Cyprus revolt
Oct 21, 1931–Nov 1931 · Cyprus · Riot & unrest
- Bridge Murder case
Feb 23, 1931–Mar 6, 1931 · United States · Crime & justice
- 1931 Saitama earthquake
Sep 21, 1931 · Japan · Earthquake
- 1931 Salvadoran coup d'état
Dec 2, 1931 · El Salvador · War & armed conflict
- 1931 Nicaragua earthquake
Mar 31, 1931 · Nicaragua · Earthquake
- Tattarisuo case
1931 · Finland · Crime & justice
- Iowa Cow War
1931 · United States · War & armed conflict
- Tientsin Incident (1931)
Nov 1931 · China · War & armed conflict
- Campbell pogrom
Jun 29, 1931–Jun 30, 1931 · Greece · Genocide & ethnic violence
- 1931 Tupolev ANT-9 crash
Jul 12, 1931 · Russian Federation · Aviation accident
- Collingwood Manor massacre
Sep 16, 1931 · Massacre
- 1931 Valentine earthquake
Aug 16, 1931 · United States · Earthquake
- Taking of Encarnación
Feb 20, 1931 · Paraguay · War & armed conflict
- Houston Roberts
Jan 1, 1931–Jan 1, 1949 · Murder & homicide
- Murder of Barsottelli
Sep 11, 1931 · Italy · Murder & homicide
- Estevan riot
Sep 29, 1931 · Canada · Riot & unrest
- Jafar Sultan revolt
1931 · Iran · Riot & unrest
- 1931 Empress of Canada stabbings
Jun 5, 1931 · Japan · Attack (other)
- 1931 Fuyun earthquake
Aug 10, 1931 · China · Earthquake
- Pfrimer Putsch
Sep 12, 1931–Sep 13, 1931 · Austria · War & armed conflict
- Norte Grande insurrection
Dec 25, 1931 · Chile · War & armed conflict
- 1931 Jinan plane crash
Nov 19, 1931 · China · Aviation accident
- Santa Catalina mutiny
Mar 23, 1931 · Peru · War & armed conflict
- 1931 Zangezur earthquake
Apr 27, 1931 · Armenia · Earthquake
- Pende revolt
May 1931–Sep 1931 · DR Congo · Riot & unrest
- 1931 Panamanian coup d'état
Jan 2, 1931 · Panama · War & armed conflict
- 1931 Peruvian post-electoral crisis
1931 · Peru · Crisis
- 1931 Oaxaca earthquake
Jan 15, 1931 · Mexico · Earthquake
- Ningdu Uprising
Dec 14, 1931 · Riot & unrest
- 1931 Myitkyina earthquake
Jan 27, 1931 · Myanmar · Earthquake
- 1931 Southwest Sumatra earthquake
Sep 25, 1931 · Indonesia · Earthquake
- Étampes rail accident
Mar 19, 1931 · France · Rail accident
- February 1931 Palermo flood
Feb 1931 · Italy · Natural disaster
- Yamanaka Great Fire
May 7, 1931 · Japan · Fire
- 1931 Bangkok KLM Fokker F.VIIb-3m crash
Dec 6, 1931 · Thailand · Aviation accident
- Banha rail accident (1931)
Apr 29, 1931 · Rail accident