Waddensea of Hamburg Waddensea of Hamburg The Waddensea of Hamburg between Elbe and Weser is a German Biosphere reserve. It was added in 1992 by the UNESCO in their ""man and biosphere"" (MAB). This site is a part of the Wadden Sea on the North Sea coast, about 40 km north of the city of Bremerhaven in the Land of Hamburg. Situated close to the mouth of the Elbe River, it represents an estuary system which is the habitat for the seal Phoca vitulina and a large diversity of birds and fish. The nutrient-rich waters of the Elbe support a high biomass production
Accession of Hamburg to the German Customs Union (Zollverein) Accession of Hamburg to the German Customs Union (Zollverein) The accession of the city state of Hamburg to the Customs Union in 1888 (along with Bremen) was the culmination of a project for the economic and monetary union of Germany, stretching back to 1819. In that year Schwarzburg-Sondershausen joined Prussia’s internal customs union, the first other state to do so and the first of many to follow. When the German Customs Union (Deutscher Zollverein) was initially formed, in the 1830s and 1840s, the motives of the states in joining did not include any particular desire to unite with others to