Input (grade 12): The Free City of Danzig was a semi-autonomous city-state that existed between 1920 and 1939, consisting of the Baltic Sea port of Danzig (today GdaÅ sk) and surrounding areas.
Output (grade 10): The Free City of Danzig (German: Freie Stadt Danzig; Polish: Wolne Miasto GdaÅ sk) was an self-governing port on the Baltic Sea port and a city-state.