Zurich Zone (Miracle at Marne Revamped Map Game)

Zurich Zone
Motto: Connected through Coal, Iron, and Steel
Headquarters		Zurich, Switzerland
Official languages		German, French, Italian
Member states		Charter Members Belgium France German Empire Liechtenstein Luxembourg The Netherlands Switzerland

Proposed in 1923 by Switzerland in order to create a common market for the biggest suppliers and manufactures of coal, iron, and steel in Europe.