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
Great stand on the Ugra river of its Oka-Volga cradle west to Smolensk and southwest across the Ugra and down the west side of the Oka as far as Novgorod-Seversky. Great stand on the Ugra river The Great Stand on the Ugra River (, also , derived from "Ugra") was a standoff between the forces of Akhmat Khan of the Great Horde, and the Grand Prince Ivan III of Muscovy in 1480 on the banks of the Ugra River, which ended when the Tatars departed without conflict. It is seen in Russian historiography as the end of Tatar rule over Moscow. The main Russian defense line