Germany Lost 13 % of Its Territory After WWI

The Treaty of Versailles (1919) stripped Germany of 13 % of its 1914 land area (≈ 70,000 km²) and 10 % of its population.

Territories Ceded

RegionToNotes
Alsace-LorraineFranceLost 1871; symbolic return
Eupen-MalmédyBelgiumPlebiscite (contested)
North SchleswigDenmarkPlebiscite 1920
West Prussia, Posen, parts of Upper SilesiaPolandPolish Corridor, Danzig free city
Saar BasinLeague of Nations (15 yr)Coal to France; plebiscite 1935 → Germany
All overseas coloniesMandates (UK, France, Japan, etc.)Togo, Cameroon, SW Africa, East Africa, Pacific

Internal Consequence

“Stab-in-the-back” myth; revanchism fueled Nazi rise. 1935–39: Saar, Rhineland, Austria, Sudetenland, Memel, Czechoslovakia, Poland — reversed by force.

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