Worldwide · Animated schematic fronts
First World War
A world war involving trench fronts, colonial theatres and naval warfare.
Schematic Western Front (Belgium–France) based on standard overview maps; other theatres (Eastern Front, Italy, Gallipoli, Middle East, sea) are shown as locations. Areas are simplified and do not show detailed occupation boundaries.
Estimates & margins
- Military deaths8.5m – 10m
Military deaths vary by source and by the treatment of missing personnel; colonial forces and indirect deaths are not handled consistently.
- Civilian deaths6m – 13m
Civilian mortality is uncertain and includes violence, famine and disease; attribution to the war varies.
Historians disagree on exact figures; the range shown reflects the scholarly literature.
German invasion of Belgium; the armies still stand along the borders.
- Entente and allies
- Central Powers