"The Hambacher Festival was a German national democratic festival celebrated from 27 May to 30 May 1832 at Hambach Castle near Neustadt an der Weinstraße in ...
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present-day Rhineland-Palatinate, Germany. The event was disguised as a non-political county fair.[clarification needed] It was one of the main public demonstrations in support of German unity, freedom and democracy during the Vormärz era." - (en.wikipedia.org 28.11.2019)