World War I
From top to bottom, left to right:
Date28 July 191411 November 1918
(4 years, 3 months and 2 weeks)
Location
Result Allied victory
See Aftermath of World War II
Territorial
changes
Belligerents
Main Allied powers:
Mitteleuropa: Balkan Entente: Self-Defense Treaty: Other allies:
Main Axis powers: September Pact: Co-Prosperity Sphere: The Concordancy: Other allies:
Commanders and leaders
Main Allied leaders: Main Central leaders:
Casualties and losses
  • Military dead:
  • Over 5,525,000
  • Civilian dead:
  • Over 4,000,000
  • Total dead:
  • Over 9,000,000
  • ...further details
  • Military dead:
  • Over 4,386,000
  • Civilian dead:
  • Over 3,700,000
  • Total dead:
  • Over 8,000,000
  • ...further details