I have learned in school that the Treaty of Versailles (after World War I in 1919) contained a clause that forbade unification of Germany and Austria. Presumably it is Article 80: Germany ...
Consider this statement from a speech by Yegor Gaidar: Historically, such myths have a dangerous precedent--namely, Germany between World War I and World War II. Then, the legend went that ...
It's a well known fact that the border between Germany and the re-created Poland in 1918 was decided by the allies. It was drawn semi-arbitrairly following the places where the majority of people were ...