45 notable events from 1904 — wars, earthquakes and murders.
- RMS Lusitania
from Aug 17, 1904 · Ireland · War & armed conflict
- Herero and Nama genocide
1904–1908 · Namibia · Genocide & ethnic violence
- Siege of Port Arthur
Aug 1, 1904–Jan 2, 1905 · China · War & armed conflict
- Dogger Bank incident
Oct 21, 1904–Oct 22, 1904 · United Kingdom · War & armed conflict
- Perdicaris affair
May 18, 1904 · Morocco · Kidnapping & hostage
- German war crimes
Jan 1, 1904–Jan 1, 1918 · Congo-Brazzaville · War & armed conflict
- Vaccine Revolt
Nov 16, 1904 · Brazil · War & armed conflict
- Great Fire of Toronto (1904)
Apr 19, 1904 · Canada · Fire
- Herero uprising
1904–1908 · Namibia · War & armed conflict
- Great Baltimore Fire
Feb 7, 1904–Feb 8, 1904 · United States · Fire
- Hitachi Maru Incident
Jun 15, 1904 · Japan · War & armed conflict
- Limerick boycott
1904–1906 · Ireland · Genocide & ethnic violence
- Santo Domingo Affair
Feb 1, 1904–Feb 11, 1904 · Dominican Republic · Scandal & controversy
- Lynching of Paul Reed and Will Cato
Aug 16, 1904 · United States · Genocide & ethnic violence
- Cumminsville Killer
Jan 1, 1904–Jan 1, 1910 · Murder & homicide
- 1904 Sasun uprising
Apr 1904 · Türkiye · War & armed conflict
- Monroe Betterton
Jan 1, 1904–Jan 1, 1919 · Murder & homicide
- Assassination of Nikolay Bobrikov
Jun 16, 1904 · Finland · Murder & homicide
- Kuta Reh massacre
Jun 14, 1904 · Indonesia · Massacre
- Buggerru massacre
Sep 4, 1904 · Italy · Massacre
- Ålesund fire
Jan 23, 1904 · Norway · Fire
- 1904 Oslo earthquake
Oct 23, 1904 · Norway · Earthquake
- Eden train wreck
Aug 7, 1904 · United States · Rail accident
- New Market train wreck
Sep 24, 1904 · United States · Rail accident
- Bombardment of Vladivostok
1904 · Russian Federation · War & armed conflict
- Kokošinje murders
Aug 6, 1904 · Türkiye · Murder & homicide
- 1904–1905 uprising in Madagascar
Nov 17, 1904–Aug 30, 1905 · Madagascar · War & armed conflict
- Wabash Bridge (Pittsburgh)
Jan 1, 1904–Jan 1, 1948 · United States · Rail accident
- Harwick Mine disaster
Jan 25, 1904 · United States · Industrial & structural disaster
- Lynching of Richard Dickerson
Mar 7, 1904 · United States · Riot & unrest
- Lucie Berlin murder case
Jun 1904 · Germany · Murder & homicide
- Pedro Rosa da Conceição
Jan 1, 1904–Jan 1, 1911 · Murder & homicide
- 1904 Kresna earthquakes
Apr 4, 1904 · Bulgaria · Earthquake
- Fire at the National University Library of Turin
Jan 26, 1904 · Italy · Fire
- Poral Stefoff
Jan 1, 1904–Jan 1, 1909 · Murder & homicide
- 1904 Marsica earthquake
Feb 24, 1904 · Italy · Earthquake
- 1904 Samos earthquake
Aug 11, 1904 · Greece · Earthquake
- 1904 Douliu earthquake
Nov 6, 1904 · Taiwan · Earthquake
- Kawang Revolt
1904 · Malaysia · War & armed conflict
- 1904 Cape Turnagain earthquake
Aug 9, 1904 · New Zealand · Earthquake
- 7 June 1904 Mamers flood
Jun 7, 1904 · France · Natural disaster
- 1904 earthquake near Oslofjord
Oct 23, 1904 · Norway · Earthquake
- La Reunión mining disaster
Apr 28, 1904 · Spain · Industrial & structural disaster
- Murder of Manuel J. Cobos
1904 · Ecuador · War & armed conflict
- Warrensburg railway accident
Oct 10, 1904 · United States · Rail accident