Free City of Danzig
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The Free City of Danzig (Freie Stadt Danzig) was a territory that included the city then called Danzig and the surrounding Danziger Land, which was a part of the German Empire (Deutsches Reich). With the Treaty of Versailles it was separated from Germany, created a separate state under the League of Nations and Westerplatte, the city's harbor, was given to Poland. In Danzig there were then two post-offices, a German -Stadt Danzig and a Polish, because custom and post-office were given to Poland as well.
